Income Taxes - Temporary Differences and Carryforwards that Comprised Deferred Income Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Abstract]
Acquisition related contingent consideration	$ 163,827	$ 132,535
Accrued liabilities	32,516	30,064
Operating lease liabilities	31,443	35,832
Deferred compensation	27,017	23,102
Deferred revenue	26,750	27,976
Postretirement benefits	13,601	11,511
Transactional costs	3,101	3,532
Financing lease agreements	470	614
Net operating loss carryforwards	437	532
Pension	427	808
Other	3,084	3,875
Deferred income tax assets	302,673	270,381
Less: Valuation allowance for deferred tax assets	4,130	3,428
Net deferred income tax asset	298,543	266,953
Depreciation	(201,875)	(182,174)
Intangible assets	(170,504)	(173,560)
Right-of-use assets - operating leases	(30,034)	(34,410)
Inventory	(11,425)	(14,603)
Prepaid expenses	(8,028)	(9,193)
Patronage dividend	(5,112)	(3,235)
Deferred income tax liabilities	(426,978)	(417,175)
Net deferred income tax liability	$ (128,435)	$ (150,222)