Employee Benefit Plans - Actual Fair Values of Non-U.S. Pension Plans (Detail) - Non-U.S. Plans [Member] - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Defined Benefit Plan Disclosure [Line Items]
Carrying Amount	$ 75,855	$ 77,714
Estimated Fair Value Measurements	75,855	77,714	$ 174,257
Quoted Prices in Active Markets (Level 1) [Member]
Defined Benefit Plan Disclosure [Line Items]
Estimated Fair Value Measurements	57,819	53,348
Significant Other Observable Inputs (Level 2) [Member]
Defined Benefit Plan Disclosure [Line Items]
Estimated Fair Value Measurements	16,357	23,774
Significant Unobservable Inputs (Level 3) [Member]
Defined Benefit Plan Disclosure [Line Items]
Estimated Fair Value Measurements	1,679	592
Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Carrying Amount	893	87
Cash and Cash Equivalents [Member] | Quoted Prices in Active Markets (Level 1) [Member]
Defined Benefit Plan Disclosure [Line Items]
Estimated Fair Value Measurements	893	87
Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Carrying Amount	56,926	53,261
Equity Securities [Member] | Quoted Prices in Active Markets (Level 1) [Member]
Defined Benefit Plan Disclosure [Line Items]
Estimated Fair Value Measurements	56,926	53,261
Corporate Bonds [Member]
Defined Benefit Plan Disclosure [Line Items]
Carrying Amount	16,357	23,774
Corporate Bonds [Member] | Significant Other Observable Inputs (Level 2) [Member]
Defined Benefit Plan Disclosure [Line Items]
Estimated Fair Value Measurements	16,357	23,774
Other [Member]
Defined Benefit Plan Disclosure [Line Items]
Carrying Amount	1,679	592
Estimated Fair Value Measurements	1,679	592
Other [Member] | Significant Unobservable Inputs (Level 3) [Member]
Defined Benefit Plan Disclosure [Line Items]
Estimated Fair Value Measurements	$ 1,679	$ 592