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Retirement Plans - Fund Status (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]
Total (overfunded)/underfunded status	$ 9,474	$ (20,282)
Accumulated other comprehensive loss, before income taxes	(251,629)	(264,244)
Qualified Plan
Defined Benefit Plan Disclosure [Line Items]
U.S. Qualified Plan	17,891	53,886
U.K. prepaid pension asset included in "Other noncurrent assets"	(30,291)	(36,757)
US | Qualified Plan
Defined Benefit Plan Disclosure [Line Items]
U.S. Qualified Plan	15,181	51,645
U.K Plan | Qualified Plan
Defined Benefit Plan Disclosure [Line Items]
U.S. Qualified Plan	2,710	2,241
Defined Benefit Plan, Unfunded Plan | Nonqualified Plan
Defined Benefit Plan Disclosure [Line Items]
U.S. Qualified Plan	293	316
Unfunded status of nonqualified defined benefit pension plans included in "Other noncurrent liabilities"	2,633	2,837
Total (overfunded)/underfunded status	$ (9,474)	$ 20,282

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