Stock-Based Compensation Recorded in Corporate Expense, Net, on Consolidated Statements of Operations (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Stock compensation expense before tax benefit	$ 247	$ 998	$ 8,452
Income tax benefit	0	(384)	(3,254)
Stock compensation expense after tax benefit	$ 247	$ 614	$ 5,198