Accumulated Other Comprehensive Loss - Changes in Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Accumulated Other Comprehensive Income Loss Net Of Tax [Line Items]
Beginning Balance			$ (201,665)
Ending Balance	$ (160,272)		(160,272)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax	7,455	$ (6,413)	(8,329)	$ (8,257)
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, Tax (Benefit) Expense	100	68	145	39
Other Comprehensive Income (Loss), Defined Benefit Plan, Amortization of Actuarial Losses, Reclassification Adjustment from AOCI, before Tax	(637)	149	(1,401)	443
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Credit, Reclassification Adjustment from AOCI, before Tax	4	6	11	18
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, Tax Expense (Benefit)	0	4	1,405	14
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax	(7)	(72)	(1)	220
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax	0	241	0	639
Cumulative currency translation adjustment [Member]
Accumulated Other Comprehensive Income Loss Net Of Tax [Line Items]
Beginning Balance	(172,627)	(165,388)	(157,656)	(158,023)
Other comprehensive income (loss) before reclassifications	11,057	(2,558)	(3,914)	(9,923)
Ending Balance	(161,570)	(167,946)	(161,570)	(167,946)
Benefit plan liabilities [Member]
Accumulated Other Comprehensive Income Loss Net Of Tax [Line Items]
Beginning Balance	7,083	(60,009)	(44,149)	(60,251)
Other comprehensive income (loss) before reclassifications	(319)	(114)	3,923	(188)
Amounts reclassified from accumulated other comprehensive income (loss)	(633)	159	46,357	475
Ending Balance	6,131	(59,964)	6,131	(59,964)
Fair value change of derivatives [Member]
Accumulated Other Comprehensive Income Loss Net Of Tax [Line Items]
Beginning Balance	(2,732)	10,072	140	8,303
Other comprehensive income (loss) before reclassifications	(4,033)	(741)	(5,737)	9,209
Amounts reclassified from accumulated other comprehensive income (loss)	1,932	(4,080)	764	(12,261)
Ending Balance	(4,833)	5,251	(4,833)	5,251
Accumulated other comprehensive loss [Member]
Accumulated Other Comprehensive Income Loss Net Of Tax [Line Items]
Ending Balance	$ (160,272)	$ (222,659)	$ (160,272)	$ (222,659)