Restructuring, Integration, and Other Charges - Accrual (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges	$ 68,765	$ 39,841	$ 92,650
Restructuring Reserve	21,978
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve Scheduled Severance Payments Year One	18,757
Restructuring Reserve [Roll Forward]
Restructuring Reserve	$ 19,075
Number of Years for the Personnel Accrual to Be Spent	2
Restructuring Reserve Scheduled Severance Payments Year Two	$ 318
Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	2,744
Restructuring Reserve Scheduled Lease Payments Year One	2,402
Restructuring Reserve Scheduled Lease Payments Year Two	190
Restructuring Reserve Scheduled Lease Payments Year Three	152
Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	$ 159
Number of Years for the Other Accrual to Be Spent	1
Restructuring Charges 2015 Plan [Member]
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges	$ 39,119
Payments	(21,108)
Non-cash usage	(1,161)
Foreign currency translation	33
Restructuring Reserve	16,883
Restructuring Charges 2015 Plan [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges	33,850
Payments	(17,569)
Non-cash usage	0
Foreign currency translation	40
Restructuring Reserve	16,321
Restructuring Charges 2015 Plan [Member] | Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges	4,223
Payments	(3,335)
Non-cash usage	(482)
Foreign currency translation	(3)
Restructuring Reserve	403
Restructuring Charges 2015 Plan [Member] | Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges	1,046
Payments	(204)
Non-cash usage	(679)
Foreign currency translation	(4)
Restructuring Reserve	159
Restructuring Charges 2014 Plan [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	12,348
Restructuring, integration, and other charges	2,980	38,347	$ 79,921
Payments	(9,783)	(24,765)
Non-cash usage	(2,274)	(729)
Foreign currency translation	(648)	(505)
Restructuring Reserve	2,623	12,348
Restructuring Charges 2014 Plan [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	8,622
Restructuring, integration, and other charges	180	29,268
Payments	(6,688)	(20,172)
Non-cash usage	0	0
Foreign currency translation	(558)	(474)
Restructuring Reserve	1,556	8,622
Restructuring Charges 2014 Plan [Member] | Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	2,479
Restructuring, integration, and other charges	885	5,591
Payments	(1,955)	(3,082)
Non-cash usage	(252)	0
Foreign currency translation	(90)	(30)
Restructuring Reserve	1,067	2,479
Restructuring Charges 2014 Plan [Member] | Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	1,247
Restructuring, integration, and other charges	1,915	3,488
Payments	(1,140)	(1,511)
Non-cash usage	(2,022)	(729)
Foreign currency translation	0	(1)
Restructuring Reserve	0	$ 1,247
Restructuring Charges From Prior to 2013 [Member]
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges	1,104
Restructuring Reserve	2,472
Restructuring Charges From Prior to 2013 [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges	(451)
Restructuring Reserve	1,198
Restructuring Charges From Prior to 2013 [Member] | Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges	1,555
Restructuring Reserve	1,274
Restructuring Charges From Acquisitions [Member]
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges	$ 19,565