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Schedule of Amounts Recorded within Statements of Financial Position (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
United States Pension Plans, Defined Benefit
Defined Benefit Plan Disclosure
Retirement plans assets	$ 7,712	$ 636
Accrued employees' compensation and withholdings	(2,591)	(2,564)
Retirement plans liabilities	(51,433)	(50,785)
Funded status	(46,312)	(52,713)
Foreign Pension Plans, Defined Benefit
Defined Benefit Plan Disclosure
Accrued employees' compensation and withholdings	(772)	(695)
Retirement plans liabilities	(32,395)	(33,454)
Funded status	(33,167)	(34,149)
Postretirement Benefit Plans
Defined Benefit Plan Disclosure
Accrued employees' compensation and withholdings	(571)	(692)
Retirement plans liabilities	(4,939)	(5,338)
Funded status	$ (5,510)	$ (6,030)

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This represents the entire assets recognized in the balance sheet that are associated with the defined benefit plans.

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