Accumulated Other Comprehensive Income (Loss) - Changes in Accumulated Other Comprehensive Income (Loss) (Additional Information) (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Additional Detail [Line Items]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax	$ (10,785)	$ (473)	$ (8,819)	$ (10,713)
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, Tax (Benefit) Expense	(76)	(97)	(983)	8,628
Other Comprehensive Income (Loss), Defined Benefit Plan, Loss Arising During Period, before Tax	3,224
Other Comprehensive Income (Loss), Defined Benefit Plan, Amortization of Actuarial Losses, Reclassification Adjustment from AOCI, before Tax	864	(995)	(2,607)	(2,981)
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Credit, Reclassification Adjustment from AOCI, before Tax	39	85	152	244
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, Tax Expense (Benefit)	(213)	248	(786)	730
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax Expense (Benefit)	(258)	517	624	1,218
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax Expense	$ 165	$ 146	470	280
Adjustments for New Accounting Principle, Early Adoption [Member]
Additional Detail [Line Items]
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, before Tax				8,569
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax				70
Settlement [Member]
Additional Detail [Line Items]
Other Comprehensive Income (Loss), Defined Benefit Plan, Amortization of Actuarial Losses, Reclassification Adjustment from AOCI, before Tax			65
Curtailment [Member]
Additional Detail [Line Items]
Other Comprehensive Income (Loss), Defined Benefit Plan, Amortization of Actuarial Losses, Reclassification Adjustment from AOCI, before Tax			$ 204	$ (1,123)