Goodwill and Other Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Intangible Assets, excluding Goodwill [Line Items]
Finite-lived intangible assets, accumulated amortization	$ (173,330)	$ (154,750)
Total finite and indefinite-lived other intangible assets, gross carrying amount	334,720	322,640
Customer Relationships [Member]
Intangible Assets, excluding Goodwill [Line Items]
Finite-lived intangible assets, gross carrying amount	196,140	188,650
Finite-lived intangible assets, accumulated amortization	(105,920)	(92,140)
Technology and Other [Member]
Intangible Assets, excluding Goodwill [Line Items]
Finite-lived intangible assets, gross carrying amount	95,730	95,720
Finite-lived intangible assets, accumulated amortization	(67,410)	(62,610)
Trademarks and Trade Names [Member]
Intangible Assets, excluding Goodwill [Line Items]
Indefinite-lived intangible assets, gross carrying amount	42,850	38,270
Useful Life Five to Twelve Years [Member] | Customer Relationships [Member]
Intangible Assets, excluding Goodwill [Line Items]
Finite-lived intangible assets, gross carrying amount	73,860	66,370
Finite-lived intangible assets, accumulated amortization	(49,910)	(42,580)
Useful Life Fifteen to Twentyfive Years [Member] | Customer Relationships [Member]
Intangible Assets, excluding Goodwill [Line Items]
Finite-lived intangible assets, gross carrying amount	122,280	122,280
Finite-lived intangible assets, accumulated amortization	(56,010)	(49,560)
Useful Life One to Fifteen Years [Member] | Technology and Other [Member]
Intangible Assets, excluding Goodwill [Line Items]
Finite-lived intangible assets, gross carrying amount	52,430	52,420
Finite-lived intangible assets, accumulated amortization	(29,790)	(27,010)
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	$ (37,620)	$ (35,600)
Minimum [Member] | Customer Relationships [Member]
Intangible Assets, excluding Goodwill [Line Items]
Finite-Lived Intangible Assets, Useful Life	5 years
Minimum [Member] | Technology and Other [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] | Customer Relationships [Member]
Intangible Assets, excluding Goodwill [Line Items]
Finite-Lived Intangible Assets, Useful Life	25 years
Maximum [Member] | Technology and Other [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