Goodwill and Other Intangible Assets - Intangible Assets and Amortization Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 2,323,877		$ 2,323,877		$ 2,129,232
Accumulated amortization	1,013,791		1,013,791		881,603
Amortization expense	43,937	$ 38,983	131,105	$ 118,576
Intangible assets, net	1,475,757		1,475,757		1,413,223
Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	176,887		176,887		150,926
Accumulated amortization	53,037		53,037		45,536
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	149,061		149,061		150,570
Accumulated amortization	119,652		119,652		112,399
Customer Intangibles [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	1,679,427		1,679,427		1,567,048
Accumulated amortization	691,040		691,040		595,635
Unpatented Technologies [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	135,026		135,026		137,919
Accumulated amortization	62,198		62,198		56,495
Drawings and Manuals [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	39,940		39,940		34,232
Accumulated amortization	23,561		23,561		15,760
Distributor Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	116,261		116,261		64,614
Accumulated amortization	43,263		43,263		37,610
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	27,275		27,275		23,923
Accumulated amortization	$ 21,040		$ 21,040		$ 18,168