Accumulated Other Comprehensive Income - Schedule of Changes in Accumulated Other Comprehensive Income (Losses) (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	$ (77,896)	$ (137,440)
Other comprehensive income (loss) before reclassifications (net of tax)	(13,620)	(2,164)
Amounts reclassified from accumulated other comprehensive income (net of tax)	(1,701)	69
Net current period other comprehensive income (loss)	(15,321)	(2,095)
Ending Balance	(93,217)	(139,535)
Currency Translation Adjustments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(76,346)	(69,622)
Other comprehensive income (loss) before reclassifications (net of tax)	(13,903)	(4,805)
Net current period other comprehensive income (loss)	(13,903)	(4,805)
Ending Balance	(90,249)	(74,427)
Unrealized Gain (Loss) on Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	4,316	2,199
Other comprehensive income (loss) before reclassifications (net of tax)	283	2,641
Amounts reclassified from accumulated other comprehensive income (net of tax)	(1,600)	(419)
Net current period other comprehensive income (loss)	(1,317)	2,222
Ending Balance	2,999	4,421
Change in Pensions [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(7,253)	(71,431)
Amounts reclassified from accumulated other comprehensive income (net of tax)	148	621
Net current period other comprehensive income (loss)	148	621
Ending Balance	(7,105)	(70,810)
Change in Other Postretirement Defined Benefit Plans [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	1,387	1,414
Amounts reclassified from accumulated other comprehensive income (net of tax)	(249)	(133)
Net current period other comprehensive income (loss)	(249)	(133)
Ending Balance	$ 1,138	$ 1,281