Goodwill and Other Intangible Assets - Intangible Assets and Amortization Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 2,307,333		$ 2,307,333		$ 2,129,232
Accumulated amortization	973,083		973,083		881,603
Amortization expense	43,593	$ 39,619	87,168	$ 79,593
Intangible assets, net	1,499,894		1,499,894		1,413,223
Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	175,774		175,774		150,926
Accumulated amortization	52,863		52,863		45,536
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	152,110		152,110		150,570
Accumulated amortization	119,160		119,160		112,399
Customer Intangibles [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	1,661,639		1,661,639		1,567,048
Accumulated amortization	658,738		658,738		595,635
Unpatented Technologies [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	134,203		134,203		137,919
Accumulated amortization	58,896		58,896		56,495
Drawings and Manuals [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	39,437		39,437		34,232
Accumulated amortization	22,473		22,473		15,760
Distributor Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	117,272		117,272		64,614
Accumulated amortization	41,421		41,421		37,610
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	26,898		26,898		23,923
Accumulated amortization	$ 19,532		$ 19,532		$ 18,168