Changes in Accumulated Other Comprehensive Loss by Component, Net of Tax (Detail) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014
Accumulated Other Comprehensive Income Loss [Line Items]
Balance at December 31, 2013	$ (34,856)
Other comprehensive income (loss) before reclassifications	(52,596)
Amounts reclassified from accumulated other comprehensive income	3,167
Net current period other comprehensive income (loss)	(49,429)
Balance at September 30, 2014	(84,285)
Foreign Currency Translation
Accumulated Other Comprehensive Income Loss [Line Items]
Balance at December 31, 2013	17,326
Other comprehensive income (loss) before reclassifications	(52,876)
Net current period other comprehensive income (loss)	(52,876)
Balance at September 30, 2014	(35,550)
Derivative Contracts
Accumulated Other Comprehensive Income Loss [Line Items]
Balance at December 31, 2013	(2,010)
Other comprehensive income (loss) before reclassifications	(876)
Amounts reclassified from accumulated other comprehensive income	1,167
Net current period other comprehensive income (loss)	291
Balance at September 30, 2014	(1,719)
Pension And Post Retirement Benefit Plans
Accumulated Other Comprehensive Income Loss [Line Items]
Balance at December 31, 2013	(50,172)
Other comprehensive income (loss) before reclassifications	1,156
Amounts reclassified from accumulated other comprehensive income	2,000
Net current period other comprehensive income (loss)	3,156
Balance at September 30, 2014	$ (47,016)