Goodwill and Other Intangible Assets (Intangible Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Amortized intangible assets
Original Cost	$ 300,134	$ 292,882
Accumulated Amortization	214,555	191,975
Net Book Value	85,579	100,907
Customer lists
Amortized intangible assets
Original Cost	149,880	143,081
Accumulated Amortization	83,823	70,539
Net Book Value	66,057	72,542
Non-compete agreements
Amortized intangible assets
Original Cost	22,240	22,242
Accumulated Amortization	21,514	21,311
Net Book Value	726	931
Supply agreement
Amortized intangible assets
Original Cost	8,720	8,720
Accumulated Amortization	8,374	7,912
Net Book Value	346	808
Technology
Amortized intangible assets
Original Cost	13,400	13,400
Accumulated Amortization	11,558	10,218
Net Book Value	1,842	3,182
Trademarks and patents
Amortized intangible assets
Original Cost	15,810	15,810
Accumulated Amortization	14,302	13,165
Net Book Value	1,508	2,645
Software
Amortized intangible assets
Original Cost	89,241	88,631
Accumulated Amortization	74,541	68,392
Net Book Value	14,700	20,239
Other
Amortized intangible assets
Original Cost	843	998
Accumulated Amortization	443	438
Net Book Value	$ 400	$ 560
Minimum
Finite-Lived Intangible Assets [Line Items]
Useful Life (in years)	1 year
Minimum | Customer lists
Finite-Lived Intangible Assets [Line Items]
Useful Life (in years)	3 years
Minimum | Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Useful Life (in years)	1 year
Minimum | Supply agreement
Finite-Lived Intangible Assets [Line Items]
Useful Life (in years)	10 years
Minimum | Technology
Finite-Lived Intangible Assets [Line Items]
Useful Life (in years)	10 years
Minimum | Trademarks and patents
Finite-Lived Intangible Assets [Line Items]
Useful Life (in years)	7 years
Minimum | Software
Finite-Lived Intangible Assets [Line Items]
Useful Life (in years)	2 years
Minimum | Other
Finite-Lived Intangible Assets [Line Items]
Useful Life (in years)	3 years
Maximum
Finite-Lived Intangible Assets [Line Items]
Useful Life (in years)	10 years
Maximum | Customer lists
Finite-Lived Intangible Assets [Line Items]
Useful Life (in years)	10 years
Maximum | Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Useful Life (in years)	7 years
Maximum | Supply agreement
Finite-Lived Intangible Assets [Line Items]
Useful Life (in years)	10 years
Maximum | Technology
Finite-Lived Intangible Assets [Line Items]
Useful Life (in years)	10 years
Maximum | Trademarks and patents
Finite-Lived Intangible Assets [Line Items]
Useful Life (in years)	10 years
Maximum | Software
Finite-Lived Intangible Assets [Line Items]
Useful Life (in years)	10 years
Maximum | Other
Finite-Lived Intangible Assets [Line Items]
Useful Life (in years)	5 years