Financial Commitments (Long-Term Debt) (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Total debt	$ 801,167	$ 899,745
Less: current maturities	21,109	117,431
Long-term debt, net	780,058	782,314
Term Loan B
Debt Instrument [Line Items]
Total debt	266,959	357,744
Less: current maturities		91,000
Equipment financing and mortgages
Debt Instrument [Line Items]
Total debt	31,238	34,807
Other indebtedness
Debt Instrument [Line Items]
Total debt	4,267	8,784
Revolving Credit Facility
Debt Instrument [Line Items]
Total debt	0	0
2017 Senior Notes | Senior Notes
Debt Instrument [Line Items]
Total debt	$ 498,703	$ 498,410