Goodwill and Other Intangible Assets - Intangible Assets and Amortization Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 2,307,258		$ 2,307,258		$ 2,277,349
Accumulated amortization	1,354,986		1,354,986		1,290,419
Finite-Lived Intangible Assets, Net	952,272		952,272		986,930
Intangible Assets, Gross (Excluding Goodwill)	2,404,095		2,404,095		2,374,191
Intangible assets, net	1,049,109		1,049,109		1,083,772
Amortization expense	35,474	$ 34,238	71,086	$ 68,435
Acquisition-related amortization expense	35,048	$ 33,829	70,221	$ 67,646
Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Accumulated amortization	0		0		0
Customer Intangibles [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	1,572,396		1,572,396		1,559,771
Accumulated amortization	880,801		880,801		834,798
Finite-Lived Intangible Assets, Net	691,595		691,595		724,973
Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	237,022		237,022		233,205
Accumulated amortization	111,620		111,620		103,907
Finite-Lived Intangible Assets, Net	125,402		125,402		129,298
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	168,644		168,644		163,299
Accumulated amortization	143,022		143,022		141,182
Finite-Lived Intangible Assets, Net	25,622		25,622		22,117
Unpatented Technologies [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	189,731		189,731		180,947
Accumulated amortization	118,689		118,689		113,404
Finite-Lived Intangible Assets, Net	71,042		71,042		67,543
Distributor Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	86,888		86,888		87,028
Accumulated amortization	54,077		54,077		51,611
Finite-Lived Intangible Assets, Net	32,811		32,811		35,417
Drawings and Manuals [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	28,581		28,581		29,198
Accumulated amortization	26,862		26,862		26,193
Finite-Lived Intangible Assets, Net	1,719		1,719		3,005
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	23,996		23,996		23,901
Accumulated amortization	19,915		19,915		19,324
Finite-Lived Intangible Assets, Net	$ 4,081		$ 4,081		$ 4,577