Goodwill and Intangible Assets (Intangible Assets Subject to Amortization) (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Historical Cost	$ 1,431,926	$ 1,391,293
Accumulated Amortization	895,186	818,568
Net	$ 536,740	$ 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	$ 260,802	$ 250,418
Accumulated Amortization	113,181	102,657
Net	$ 147,621	$ 147,761
Customer relationship
Finite-Lived Intangible Assets [Line Items]
Weighted-Average   Amortization Period	8 years	8 years 1 month 6 days
Historical Cost	$ 690,343	$ 673,847
Accumulated Amortization	441,821	398,396
Net	$ 248,522	$ 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 9 months 18 days	9 years 3 months 18 days
Historical Cost	$ 480,781	$ 467,028
Accumulated Amortization	340,184	317,515
Net	$ 140,597	$ 149,513