Goodwill and Intangible Assets (Intangible Assets Subject to Amortization) (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Finite-Lived Intangible Assets [Line Items]
Historical Cost	$ 1,654,553	$ 1,632,831
Accumulated Amortization	1,238,487	1,207,082
Net	416,066	425,749
Trade names and trademarks
Finite-Lived Intangible Assets [Line Items]
Historical Cost	380,863	375,449
Accumulated Amortization	230,311	222,430
Net	150,552	153,019
Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Historical Cost	846,617	836,254
Accumulated Amortization	638,012	620,926
Net	208,605	215,328
Other purchased intangibles
Finite-Lived Intangible Assets [Line Items]
Historical Cost	427,073	421,128
Accumulated Amortization	370,164	363,726
Net	$ 56,909	$ 57,402