INCOME TAXES - Deferred tax assets and liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Deferred tax assets:
Accrued expenses	$ 66,211	$ 60,842
Operating lease right-of-use liabilities	56,119	53,589
Multiemployer pension fund withdrawal	4,688	4,871
Postretirement liabilities other than pensions	3,428	3,389
Share-based compensation	2,239	5,249
Federal and state net operating loss carryforwards	4,383	1,511
Receivable allowances	2,666	1,951
Other	2,580	794
Total deferred tax assets	142,314	132,196
Valuation allowance	(1,731)	(1,751)
Total deferred tax assets, net of valuation allowance	140,583	130,445
Deferred tax liabilities:
Amortization, depreciation, and basis differences for property, plant and equipment, and other long-lived assets	121,400	118,211
Operating lease right-of-use assets	48,271	43,938
Intangibles	33,680	10,256
Prepaid expenses	6,345	5,685
Total deferred tax liabilities	209,696	178,090
Net deferred tax liabilities	$ (69,113)	$ (47,645)