Income Taxes - Summary of Benefit (Provision) for Income Taxes from Continuing Operations (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012		Dec. 31, 2011
Current:
United States federal			$ (300)	$ 91		$ 115
Foreign			(12)	(902)		(1,923)
State and local			(55)	19		(8)
Total current			(367)	(792)		(1,816)
Deferred:
United States federal			36,190	0		0
Foreign			660	0		0
State and local			0	0		0
Total deferred			36,850	0		0
Total	$ 36,767	$ (55)	$ 36,483	$ (792)	[1]	$ (1,816)	[1]

[1] See Note 1 "Significant Accounting Policies - Intangible Assets" of Notes to Consolidated Financial Statements.