Goodwill and Other Intangible Assets Schedule of Intangible Assets (excluding Goodwill) by Major Class (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Dec. 31, 2019
Intangible Assets, excluding Goodwill [Line Items]
Finite-lived intangible assets, accumulated amortization	$ (188,760)	$ (173,330)
Intangible Assets, Gross (Excluding Goodwill)	364,350	334,720
Trademarks and Trade Names [Member]
Intangible Assets, excluding Goodwill [Line Items]
Indefinite-lived intangible assets, gross carrying amount	44,060	42,850
Customer Relationships [Member]
Intangible Assets, excluding Goodwill [Line Items]
Finite-lived intangible assets, gross carrying amount	222,880	196,140
Finite-lived intangible assets, accumulated amortization	(117,650)	(105,920)
Technology and Other [Member]
Intangible Assets, excluding Goodwill [Line Items]
Finite-lived intangible assets, gross carrying amount	97,410	95,730
Finite-lived intangible assets, accumulated amortization	(71,110)	(67,410)
Useful Life Five to Twelve Years [Member] | Customer Relationships [Member]
Intangible Assets, excluding Goodwill [Line Items]
Finite-lived intangible assets, gross carrying amount	100,610	73,860
Finite-lived intangible assets, accumulated amortization	(56,810)	(49,910)
Useful Life Fifteen to Twentyfive Years [Member] | Customer Relationships [Member]
Intangible Assets, excluding Goodwill [Line Items]
Finite-lived intangible assets, gross carrying amount	122,270	122,280
Finite-lived intangible assets, accumulated amortization	(60,840)	(56,010)
Useful Life One to Fifteen Years [Member] | Technology and Other [Member]
Intangible Assets, excluding Goodwill [Line Items]
Finite-lived intangible assets, gross carrying amount	54,110	52,430
Finite-lived intangible assets, accumulated amortization	(32,020)	(29,790)
Useful Life Seventeen to Thirty Years [Member] | Technology and Other [Member]
Intangible Assets, excluding Goodwill [Line Items]
Finite-lived intangible assets, gross carrying amount	43,300	43,300
Finite-lived intangible assets, accumulated amortization	$ (39,090)	$ (37,620)
Minimum [Member]
Intangible Assets, excluding Goodwill [Line Items]
Finite-Lived Intangible Assets, Useful Life	1 year
Minimum [Member] | Useful Life Five to Twelve Years [Member] | Customer Relationships [Member]
Intangible Assets, excluding Goodwill [Line Items]
Finite-Lived Intangible Assets, Useful Life	5 years
Minimum [Member] | Useful Life Fifteen to Twentyfive Years [Member] | Customer Relationships [Member]
Intangible Assets, excluding Goodwill [Line Items]
Finite-Lived Intangible Assets, Useful Life	15 years
Minimum [Member] | Useful Life One to Fifteen Years [Member] | Technology and Other [Member]
Intangible Assets, excluding Goodwill [Line Items]
Finite-Lived Intangible Assets, Useful Life	1 year
Minimum [Member] | Useful Life Seventeen to Thirty Years [Member] | Technology and Other [Member]
Intangible Assets, excluding Goodwill [Line Items]
Finite-Lived Intangible Assets, Useful Life	17 years
Maximum [Member]
Intangible Assets, excluding Goodwill [Line Items]
Finite-Lived Intangible Assets, Useful Life	30 years
Maximum [Member] | Useful Life Five to Twelve Years [Member] | Customer Relationships [Member]
Intangible Assets, excluding Goodwill [Line Items]
Finite-Lived Intangible Assets, Useful Life	12 years
Maximum [Member] | Useful Life Fifteen to Twentyfive Years [Member] | Customer Relationships [Member]
Intangible Assets, excluding Goodwill [Line Items]
Finite-Lived Intangible Assets, Useful Life	25 years
Maximum [Member] | Useful Life One to Fifteen Years [Member] | Technology and Other [Member]
Intangible Assets, excluding Goodwill [Line Items]
Finite-Lived Intangible Assets, Useful Life	15 years
Maximum [Member] | Useful Life Seventeen to Thirty Years [Member] | Technology and Other [Member]
Intangible Assets, excluding Goodwill [Line Items]
Finite-Lived Intangible Assets, Useful Life	30 years