Pensions - Amounts Recognized in Balance Sheet (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
U.S. [Member]
Amounts recognized in the balance sheet:
Net amount recognized at December 31	$ (23,887)	$ (79,226)
U.S. [Member] | Accrued Liabilities [Member]
Amounts recognized in the balance sheet:
Net amount recognized at December 31	(956)	(4,218)
U.S. [Member] | Pension benefits long term [Member]
Amounts recognized in the balance sheet:
Net amount recognized at December 31	(22,931)	(75,008)
U.S. [Member] | Other Assets [Member]
Amounts recognized in the balance sheet:
Net amount recognized at December 31
Non-U.S. [Member]
Amounts recognized in the balance sheet:
Net amount recognized at December 31	(125,566)	(127,932)
Non-U.S. [Member] | Accrued Liabilities [Member]
Amounts recognized in the balance sheet:
Net amount recognized at December 31	(4,497)	(4,176)
Non-U.S. [Member] | Pension benefits long term [Member]
Amounts recognized in the balance sheet:
Net amount recognized at December 31	(128,182)	(126,265)
Non-U.S. [Member] | Other Assets [Member]
Amounts recognized in the balance sheet:
Net amount recognized at December 31	$ 7,113	$ 2,509