Goodwill and Intangible Assets (Intangible Assets Subject to Amortization) (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Historical Cost	$ 1,425,559	$ 1,391,293
Accumulated Amortization	927,107	818,568
Net	$ 498,452	$ 572,725
Minimum
Finite-Lived Intangible Assets [Line Items]
Weighted-Average   Amortization Period	1 year
Maximum
Finite-Lived Intangible Assets [Line Items]
Weighted-Average   Amortization Period	20 years
Trade names
Finite-Lived Intangible Assets [Line Items]
Weighted-Average   Amortization Period	10 years	9 years 8 months 12 days
Historical Cost	$ 261,070	$ 250,418
Accumulated Amortization	119,026	102,657
Net	$ 142,044	$ 147,761
Customer relationship
Finite-Lived Intangible Assets [Line Items]
Weighted-Average   Amortization Period	7 years 10 months 24 days	8 years 1 month 6 days
Historical Cost	$ 683,503	$ 673,847
Accumulated Amortization	456,377	398,396
Net	$ 227,126	$ 275,451
Customer relationship | Minimum
Finite-Lived Intangible Assets [Line Items]
Weighted-Average   Amortization Period	4 years	4 years
Customer relationship | Maximum
Finite-Lived Intangible Assets [Line Items]
Weighted-Average   Amortization Period	5 years	5 years
Other purchased intangibles
Finite-Lived Intangible Assets [Line Items]
Weighted-Average   Amortization Period	8 years 7 months 6 days	9 years 3 months 18 days
Historical Cost	$ 480,986	$ 467,028
Accumulated Amortization	351,704	317,515
Net	$ 129,282	$ 149,513