Accumulated Other Comprehensive Income (Loss) - Summary of Changes in Accumulated Other Comprehensive Income (Detail) - USD ($) $ in Thousands			3 Months Ended
		Jan. 01, 2019	Mar. 31, 2019		Mar. 31, 2018
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	[1]	$ 807,425	$ 807,425
Other comprehensive income before reclassifications			3,687		$ 8,785
Amounts reclassified from AOCI			541		750
Reclassification adjustment related to the Tax Act		5,325	(5,325)	[2]
Net current-period other comprehensive income			(1,097)		9,535
Ending Balance	[1]		831,447
Foreign Currency Translation Adjustments [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance		(108,481)	(108,481)		(70,561)
Other comprehensive income before reclassifications			3,687		8,785
Net current-period other comprehensive income			3,687		8,785
Ending Balance			(104,794)		(61,776)
Defined Benefit Pension Plan Adjustments [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance		(33,083)	(33,083)		(29,093)
Amounts reclassified from AOCI			543		753
Reclassification adjustment related to the Tax Act	[2]		(5,325)
Net current-period other comprehensive income			(4,782)		753
Ending Balance			(37,865)		(28,340)
Cash Flow Hedge Adjustments [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance		81	81		91
Amounts reclassified from AOCI			(2)		(3)
Net current-period other comprehensive income			(2)		(3)
Ending Balance			79		88
AOCI Attributable to Parent [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance		$ (141,483)	(141,483)		(99,563)
Ending Balance			$ (142,580)		$ (90,028)

[1] The 2018 amounts for the noted line items have been changed from the amounts originally reported as a result of the Company’s first quarter 2019 change in method of accounting for U.S. inventory valuation from LIFO to FIFO.

[2] Represents reclassification of the stranded tax effects resulting from the U.S. Tax Cuts and Jobs Act (Tax Act) from accumulated other comprehensive income (loss) to retained earnings in accordance with ASU 2018-02. See Note 19 for more details.