Accumulated Other Comprehensive Loss - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) arising During Period Related to Translation of Foreign Subsidiaries utilizing a Functional Currency Other Than the US Dollar		$ 63,874	$ (17,753)	$ (48,364)
Foreign Currency Translation, Tax Benefit (Provision) Related to Net Investment Hedges		17,131	(2,829)	(9,949)
Pension Benefits [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Expected amortization of actuarial losses (gains), net of tax		54,562	34,705
Expected amortization of prior service (cost) credit, net of tax		(313)	(561)	(1,037)
Scenario, Forecast [Member] | Pension Benefits [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Expected amortization of actuarial losses (gains), net of tax	$ 4,900
Expected amortization of prior service (cost) credit, net of tax	$ 1,800
Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, before Tax		(3,400)	(5,000)	(3,200)
Benefit for Income Taxes		1,200	1,800	1,100
Amortization of Net Actuarial (Losses), before Tax		(6,500)	(8,000)	(5,200)
Net Prior Service Credit Arising During the Period, Before Tax		3,100	3,000	2,000
Adoption of accounting standards update related to reclassification of certain tax effects		(15,424)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Adoption of accounting standards update related to reclassification of certain tax effects		(16)
Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) arising During Period Related to Translation of Foreign Subsidiaries utilizing a Functional Currency Other Than the US Dollar		94,700	(20,600)	(55,500)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Related to Net Investment Hedges, before Reclassification and Tax		(46,100)	7,600	26,600
Foreign Currency Translation, Tax Benefit (Provision) Related to Net Investment Hedges		17,100	(2,800)	(9,900)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation (Loss) Arising During Period Related to Intra-Entity Transactions of a Long-Term Investment Nature, Net of Tax		(1,800)	$ (2,000)	$ (9,600)
Adoption of accounting standards update related to reclassification of certain tax effects		(6,645)
Other Comprehensive Income (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Adoption of accounting standards update related to reclassification of certain tax effects		$ (22,085)