| 2019-01-09           | 
                                                                                        3,4,5           | 
                                                                                        4           | 
                                                                                        Statement of changes in beneficial ownership of securities           | 
                                                                                        NOVAES DJALMA JR           | 
                            DOC           | 
                            PDF           | 
                                       | 
                                       | 
              
          
                                                                                        | 2019-01-08           | 
                                                                                        3,4,5           | 
                                                                                        4           | 
                                                                                        Statement of changes in beneficial ownership of securities           | 
                                                                                        Sourisseau Didier           | 
                            DOC           | 
                            PDF           | 
                                       | 
                                       | 
              
          
                                                                                        | 2019-01-08           | 
                                                                                        3,4,5           | 
                                                                                        4           | 
                                                                                        Statement of changes in beneficial ownership of securities           | 
                                                                                        Bourque Robert H Jr           | 
                            DOC           | 
                            PDF           | 
                                       | 
                                       | 
              
          
                                                                                        | 2019-01-08           | 
                                                                                        3,4,5           | 
                                                                                        4           | 
                                                                                        Statement of changes in beneficial ownership of securities           | 
                                                                                        NOVAES DJALMA JR           | 
                            DOC           | 
                            PDF           | 
                                       | 
                                       | 
              
          
                                                                                        | 2019-01-08           | 
                                                                                        3,4,5           | 
                                                                                        4           | 
                                                                                        Statement of changes in beneficial ownership of securities           | 
                                                                                        Gifford Gerard            | 
                            DOC           | 
                            PDF           | 
                                       | 
                                       | 
              
          
                                                                                        | 2019-01-08           | 
                                                                                        3,4,5           | 
                                                                                        4           | 
                                                                                        Statement of changes in beneficial ownership of securities           | 
                                                                                        KELLY THOMAS A           | 
                            DOC           | 
                            PDF           | 
                                       | 
                                       | 
              
          
                                                                                        | 2019-01-08           | 
                                                                                        3,4,5           | 
                                                                                        4           | 
                                                                                        Statement of changes in beneficial ownership of securities           | 
                                                                                        DONAHUE TIMOTHY J           | 
                            DOC           | 
                            PDF           | 
                                       | 
                                       | 
              
          
                                                                                        | 2018-12-18           | 
                                                                                        Registration Statements           | 
                                                                                        424B3           | 
                                                                                        Form of prospectus reflecting facts events constituting substantive change from last form           | 
                                                                                                   | 
                            DOC           | 
                            PDF           | 
                            XLS           | 
                                       | 
              
          
                                                                                        | 2018-12-18           | 
                                                                                        Other           | 
                                                                                        EFFECT           | 
                                                                                        EFFECT           | 
                                                                                                   | 
                            DOC           | 
                            PDF           | 
                                       | 
                                       | 
              
          
                                                                                        | 2018-12-17           | 
                                                                                        Registration Statements           | 
                                                                                        S-4/A           | 
                                                                                        Pre-effective amendment to an S-4 filing           | 
                                                                                                   | 
                            DOC           | 
                            PDF           | 
                            XLS           | 
                                       | 
              
          
                                                                                        | 2018-12-14           | 
                                                                                        Other           | 
                                                                                        CORRESP           | 
                                                                                        CORRESP           | 
                                                                                                   | 
                            DOC           | 
                            PDF           | 
                            XLS           | 
                                       | 
              
          
                                                                                        | 2018-12-13           | 
                                                                                        Other           | 
                                                                                        UPLOAD           | 
                                                                                        UPLOAD           | 
                                                                                                   | 
                            DOC           | 
                            PDF           | 
                                       | 
                                       | 
              
          
                                                                                        | 2018-12-06           | 
                                                                                        Current Reports           | 
                                                                                        8-K           | 
                                                                                        Report of unscheduled material events or corporate event           | 
                                                                                                   | 
                            DOC           | 
                            PDF           | 
                            XLS           | 
                            XBRL           | 
              
          
                                                                                        | 2018-12-06           | 
                                                                                        Other           | 
                                                                                        CORRESP           | 
                                                                                        CORRESP           | 
                                                                                                   | 
                            DOC           | 
                            PDF           | 
                            XLS           | 
                                       | 
              
          
                                                                                        | 2018-12-06           | 
                                                                                        Current Reports           | 
                                                                                        8-K/A           | 
                                                                                        Amendment to a previously filed 8-K           | 
                                                                                                   | 
                            DOC           | 
                            PDF           | 
                            XLS           | 
                                       | 
              
          
                                                                                        | 2018-12-06           | 
                                                                                        Registration Statements           | 
                                                                                        S-4           | 
                                                                                        Registration of securities issued in business combination transactions           | 
                                                                                                   | 
                            DOC           | 
                            PDF           | 
                            XLS           | 
                                       | 
              
          
                                                                                        | 2018-11-20           | 
                                                                                        3,4,5           | 
                                                                                        4           | 
                                                                                        Statement of changes in beneficial ownership of securities           | 
                                                                                        Beaver David A.           | 
                            DOC           | 
                            PDF           | 
                                       | 
                                       | 
              
          
                                                                                        | 2018-10-29           | 
                                                                                        Quarterly Filings           | 
                                                                                        10-Q           | 
                                                                                        Quarterly report which provides a continuing view of a company's financial position           | 
                                                                                                   | 
                            DOC           | 
                            PDF           | 
                            XLS           | 
                            XBRL           | 
              
          
                                                                                        | 2018-10-26           | 
                                                                                        3,4,5           | 
                                                                                        4           | 
                                                                                        Statement of changes in beneficial ownership of securities           | 
                                                                                        DONALD ARNOLD W           | 
                            DOC           | 
                            PDF           | 
                                       | 
                                       | 
              
          
                                                                                        | 2018-10-26           | 
                                                                                        3,4,5           | 
                                                                                        4           | 
                                                                                        Statement of changes in beneficial ownership of securities           | 
                                                                                        MILLER JAMES H           | 
                            DOC           | 
                            PDF           | 
                                       | 
                                       |