Income Taxes (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	$ 393,200,000
Foreign tax credit	800,000	$ 800,000
Unrecognized Tax Benefits, Increase Resulting from Foreign Currency Translation	$ 8,100,000
Effective Income Tax Rate Reconciliation, Percent	23.00%	23.90%	30.90%
Deferred Tax Liabilities
Book/tax basis difference due to depreciation	$ 1,327,900,000	$ 1,263,500,000
Right-of-use assets	41,300,000	52,900,000
Investments in affiliated companies	4,500,000	16,800,000
Lease accounting (other than leveraged)	18,000,000.0	17,200,000
Intangible amortization	1,500,000	1,700,000
Other	4,900,000	4,500,000
Total deferred tax liabilities	1,398,100,000	1,356,600,000
Deferred Tax Assets
Lease liability	44,400,000	56,600,000
Federal net operating loss	82,600,000	75,000,000.0
Foreign tax credit	800,000	800,000
Valuation allowance on foreign tax credit	800,000	800,000
State net operating loss	37,400,000	40,100,000
Federal interest limitation carryforward	72,500,000	77,300,000
Valuation on state net operating loss	(20,400,000)	(20,300,000)
State interest limitation carryforward	11,400,000	13,000,000.0
Foreign net operating loss	4,400,000	4,100,000
Accruals not currently deductible for tax purposes	32,300,000	21,000,000.0
Allowance for losses	1,300,000	1,000,000.0
Pension and post-retirement benefits	2,100,000	5,800,000
Other	2,800,000	1,900,000
Total deferred tax assets	270,800,000	275,500,000
Net deferred tax liabilities	1,127,300,000	1,081,100,000
Gross liability for unrecognized tax benefits
Ending balance	8,300,000
Provision for Income Taxes, Equity Method Investment	$ 25,500,000	$ 25,700,000	$ 12,300,000