Sale of Buildings - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	1 Months Ended		3 Months Ended	12 Months Ended
	Feb. 28, 2013	Mar. 31, 2011 Property	Mar. 31, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Sale Leaseback Transaction [Line Items]
Net proceeds from sale and lease-back	$ 3,496		$ 18,079
Net gain (loss) on sale and lease-back			12,668	(31)		6,170
Asset impairment charges				0	21,933	6,533
Accrued in accounts payable and accrued expenses				785	1,243
Number of buildings sold and leased-back		3
Sale and lease-back agreement term, minimum		1 year
Sale and lease-back agreement term, maximum		5 years
Lease-back transaction deferred gain		6,498	6,498
Lease-back transaction deferred gain recognized				1,046	1,569	1,531
General and Administrative Expenses
Sale Leaseback Transaction [Line Items]
Net gain (loss) on sale and lease-back			6,170
Building available for sale | Cost Reduction Initiatives
Sale Leaseback Transaction [Line Items]
Asset impairment charges					$ 7,939