Financial Commitments (Long-Term Debt) (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Total debt	$ 926,257	$ 958,439
Less: Current maturities	20,634	70,285
Long-term debt, net	905,623	888,154
Term Loan B
Debt Instrument [Line Items]
Total debt	359,110	404,169
Less: Current maturities		44,000
Equipment financing and mortgages
Debt Instrument [Line Items]
Total debt	42,194	48,681
Other indebtedness
Debt Instrument [Line Items]
Total debt	2,114	8,300
Revolving Credit Facility
Debt Instrument [Line Items]
Total debt	25,000	0
2017 Senior Notes | Senior Notes
Debt Instrument [Line Items]
Total debt	$ 497,839	$ 497,289