Additional Balance Sheet Detail and Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands		Sep. 30, 2022	Dec. 31, 2021
Other Liabilities Disclosure [Abstract]
Other Accrued Liabilities		$ 8,095	$ 5,592
Unrealized Gain (Loss) on Derivatives		948	1,374
Accrued Income Taxes, Current		8,874	13,856
Accrual for Taxes Other than Income Taxes, Current		2,436	3,284
Interest Payable, Current		3,608	8,038
Operating Lease, Liability, Current		11,109	11,301
Accrued Salaries, Current		28,387	28,408
Deferred Revenue	[1]	16,154	16,093
Accrued liabilities and other		$ 79,611	$ 87,946

[1] See Note 17 -- Commitments and Contingencies for additional details on deferred revenue liabilities