Goodwill and Other Intangible Assets Schedule of Intangible Assets (excluding Goodwill) by Major Class (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Dec. 31, 2020
Intangible Assets, excluding Goodwill [Line Items]
Finite-lived intangible assets, accumulated amortization	$ (210,090)	$ (194,170)
Intangible Assets, Gross (Excluding Goodwill)	397,860	400,370
Trademarks and Trade Names [Member]
Intangible Assets, excluding Goodwill [Line Items]
Indefinite-lived intangible assets, gross carrying amount	53,830	54,640
Customer Relationships [Member]
Intangible Assets, excluding Goodwill [Line Items]
Finite-lived intangible assets, gross carrying amount	243,620	245,250
Finite-lived intangible assets, accumulated amortization	(135,000)	(121,920)
Technology and Other [Member]
Intangible Assets, excluding Goodwill [Line Items]
Finite-lived intangible assets, gross carrying amount	100,410	100,480
Finite-lived intangible assets, accumulated amortization	(75,090)	(72,250)
Useful Life Five to Twelve Years [Member] | Customer Relationships [Member]
Intangible Assets, excluding Goodwill [Line Items]
Finite-lived intangible assets, gross carrying amount	121,340	122,970
Finite-lived intangible assets, accumulated amortization	(68,280)	(59,470)
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	(66,720)	(62,450)
Useful Life One to Fifteen Years [Member] | Technology and Other [Member]
Intangible Assets, excluding Goodwill [Line Items]
Finite-lived intangible assets, gross carrying amount	57,110	57,180
Finite-lived intangible assets, accumulated amortization	(35,290)	(32,800)
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	$ (39,800)	$ (39,450)
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