Amounts Included in Accumulated Other Comprehensive Loss, Net of Tax (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Other Comprehensive Income (Loss) [Roll Forward]
Balance at December 31, 2013	$ (38,119)
Other comprehensive loss before reclassifications	(10,597)
Amounts reclassified from accumulated other comprehensive loss	753
Balance at March 31, 2014	(47,963)	(118,452)
Other comprehensive loss	(9,844)	(8,539)
Unrecognized Net Defined Benefit Plan Costs
Other Comprehensive Income (Loss) [Roll Forward]
Balance at December 31, 2013	(38,921)
Other comprehensive loss before reclassifications	(267)
Amounts reclassified from accumulated other comprehensive loss	(144)
Balance at March 31, 2014	(39,332)
Other comprehensive loss	(411)
Change in Fair Value of Derivatives
Other Comprehensive Income (Loss) [Roll Forward]
Balance at December 31, 2013	(3,790)
Other comprehensive loss before reclassifications	(82)
Amounts reclassified from accumulated other comprehensive loss	897
Balance at March 31, 2014	(2,975)
Other comprehensive loss	815
Foreign Currency Translation
Other Comprehensive Income (Loss) [Roll Forward]
Balance at December 31, 2013	4,592
Other comprehensive loss before reclassifications	(10,248)
Amounts reclassified from accumulated other comprehensive loss	0
Balance at March 31, 2014	(5,656)
Other comprehensive loss	$ (10,248)