Description of Business and Summary of Significant Accounting Policies - Changes in Accumulated Other Comprehensive Loss by Component (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Accumulated other comprehensive income (loss) by component, beginning balance	$ (76,086)	$ (63,832)	$ (41,415)
Cumulative losses transferred from Lamiflex			(410)
Net current-period Other Comprehensive Income (Loss), net of tax	25,156	(12,254)	(22,007)
Reclassification adjustment from loss on partial settlement of pension plan, net of tax	1,066
Accumulated other comprehensive income (loss) by component, ending balance	(49,864)	(76,086)	(63,832)
Gains and Losses on Cash Flow Hedges [Member]
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Accumulated other comprehensive income (loss) by component, beginning balance	(646)	(140)	143
Cumulative losses transferred from Lamiflex			0
Net current-period Other Comprehensive Income (Loss), net of tax	194	(506)	(283)
Accumulated other comprehensive income (loss) by component, ending balance	(452)	(646)	(140)
Defined Benefit Pension Plans [Member]
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Accumulated other comprehensive income (loss) by component, beginning balance	(5,668)	(5,807)	(4,818)
Cumulative losses transferred from Lamiflex			0
Net current-period Other Comprehensive Income (Loss), net of tax	924	139	(989)
Reclassification adjustment from loss on partial settlement of pension plan, net of tax	1,066
Accumulated other comprehensive income (loss) by component, ending balance	(3,678)	(5,668)	(5,807)
Cumulative Foreign Currency Translation Adjustment [Member]
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Accumulated other comprehensive income (loss) by component, beginning balance	(69,772)	(57,885)	(36,740)
Cumulative losses transferred from Lamiflex			(410)
Net current-period Other Comprehensive Income (Loss), net of tax	24,038	(11,887)	(20,735)
Accumulated other comprehensive income (loss) by component, ending balance	$ (45,734)	$ (69,772)	$ (57,885)