Income Taxes - Components of Company's Income Tax Provision (Detail) (USD $) In Thousands, unless otherwise specified	7 Months Ended	12 Months Ended		5 Months Ended
	Dec. 31, 2010 Successor [Member]	Dec. 31, 2012 Successor [Member]	Dec. 31, 2011 Successor [Member]	May 28, 2010 Predecessor [Member]
Current:
Federal & State	$ 96	$ 206	$ 217	$ 83
Foreign	108	344	317	73
Total current	204	550	534	156
Deferred:
Federal & State	(4,348)	(5,000)	(5,119)	(2,063)
Foreign	38	(746)	(271)	91
Total deferred	(4,310)	(5,746)	(5,390)	(1,972)
Valuation allowance	981	28	177	(649)
Provision (benefit) for income taxes	$ (3,125)	$ (5,168)	$ (4,679)	$ (2,465)