v3.10.0.1
Changes in Carrying Amount of Goodwill (Details)
$ in Thousands
6 Months Ended
Jun. 30, 2018
USD ($)
Goodwill [Roll Forward]  
Beginning balance $ 3,536,511
Business acquisitions and adjustments to previously recorded goodwill 929,891
Exchange rate effects (44,426)
Ending balance 4,421,976
North America  
Goodwill [Roll Forward]  
Beginning balance 1,709,354
Business acquisitions and adjustments to previously recorded goodwill 714
Exchange rate effects (5,078)
Ending balance 1,704,990
Europe  
Goodwill [Roll Forward]  
Beginning balance 1,414,898
Business acquisitions and adjustments to previously recorded goodwill 934,844
Exchange rate effects (39,536)
Ending balance 2,310,206
Specialty  
Goodwill [Roll Forward]  
Beginning balance 412,259
Business acquisitions and adjustments to previously recorded goodwill (5,667)
Exchange rate effects 188
Ending balance 406,780
Stahlgruber [Member]  
Goodwill [Line Items]  
Goodwill, Acquired During Period 931,000
Goodwill [Roll Forward]  
Ending balance $ 930,567