Restructuring, Integration, and Other Charges - Accrual (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges	$ 60,361	$ 74,588	$ 61,391
Restructuring Reserve	25,829
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	15,538
Restructuring Reserve Scheduled Severance Payments Year One	14,299
Restructuring Reserve Scheduled Severance Payments Year Two	1,239
Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	9,968
Restructuring Reserve Scheduled Severance Payments Year One	4,074
Restructuring Reserve Scheduled Severance Payments Year Two	1,954
Restructuring Reserve Scheduled Severance Payments Year Three	1,134
Restructuring Reserve Scheduled Severance Payments Year Four	781
Restructuring Reserve Scheduled Severance Payments Year Five	765
Restructuring Reserve Scheduled Severance Payments Thereafter	1,260
Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	323
Restructuring Reserve Scheduled Lease Payments Year One	21
Restructuring Reserve Scheduled Lease Payments Year Two	302
Restructuring Charges 2018 Plan [Member]
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges	23,698
Payments	(15,681)
Foreign currency translation	(656)
Restructuring Reserve	7,361
Restructuring Charges 2018 Plan [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges	15,323
Payments	(12,099)
Foreign currency translation	(478)
Restructuring Reserve	2,746
Restructuring Charges 2018 Plan [Member] | Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges	8,240
Payments	(3,547)
Foreign currency translation	(177)
Restructuring Reserve	4,516
Restructuring Charges 2018 Plan [Member] | Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges	135
Payments	(35)
Foreign currency translation	(1)
Restructuring Reserve	99
Restructuring Charges 2017 Plan [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	20,250
Restructuring, integration, and other charges	5,387	46,816
Payments	(14,204)	(27,804)
Foreign currency translation	(1,843)	1,238
Restructuring Reserve	9,590	20,250
Restructuring Charges 2017 Plan [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	15,276
Restructuring, integration, and other charges	2,456	37,615
Payments	(11,450)	(23,384)
Foreign currency translation	(1,550)	1,045
Restructuring Reserve	4,732	15,276
Restructuring Charges 2017 Plan [Member] | Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	4,874
Restructuring, integration, and other charges	2,870	8,192
Payments	(2,696)	(3,494)
Foreign currency translation	(284)	176
Restructuring Reserve	4,764	4,874
Restructuring Charges 2017 Plan [Member] | Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	100
Restructuring, integration, and other charges	61	1,009
Payments	(58)	(926)
Foreign currency translation	(9)	17
Restructuring Reserve	94	$ 100
Restructuring Charges From Prior to 2017 [Member]
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges	2,130
Restructuring Reserve	8,878
Restructuring Charges From Prior to 2017 [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges	1,131
Restructuring Reserve	8,060
Restructuring Charges From Prior to 2017 [Member] | Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges	999
Restructuring Reserve	688
Restructuring Charges From Prior to 2017 [Member] | Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	$ 130