Financial Commitments (Summary of Interest Expense as Reported in the Consolidated Statements of Operations) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Debt Instrument [Line Items]
Other interest	$ 421	$ 461
Total cash interest expense	20,509	15,591
Total non-cash interest expense	1,004	901
Total interest expense	21,513	16,492
Term Loan B
Debt Instrument [Line Items]
Cash interest expense	9,749	6,033
Total non-cash interest expense	$ 571	505
Effective interest rates	10.44%
Revolving Credit Facility
Debt Instrument [Line Items]
Cash interest expense	$ 1,745	503
Total non-cash interest expense	160	142
2017 Senior Notes | Senior Notes
Debt Instrument [Line Items]
Cash interest expense	8,594	8,594
Total non-cash interest expense	$ 273	$ 254
Effective interest rates	7.13%