Income Taxes - Reconciliation of Federal Income Tax Rate (Detail) (USD $) In Thousands, unless otherwise specified	6 Months Ended				12 Months Ended
	Dec. 31, 2011		Dec. 31, 2010		Dec. 31, 2013		Dec. 31, 2012		Jun. 30, 2011
Income Tax Disclosure [Abstract]
Tax computed at the federal statutory rate	$ (1,907)		$ 1,857		$ (24,207)		$ (12,234)		$ 3,799
State taxes, net of federal benefit	82		122		148		329		250
Tax rate differential for international subsidiaries	1,589	[1]	(23)	[1]	14,542	[1]	10,743	[1]	(47)	[1]
Stock-based compensation	978		244		3,447		3,926		727
Tax credits	(378)		(150)		(12,529)		(1,056)		(409)
Tax contingencies	178		74		76		452		171
Permanent differences	244		120		550		532		305
Change in state rate	8		295		14		(68)		662
Other	146		379		242		(697)		344
Valuation allowance	135		(2,265)		20,228		(559)		(4,466)
Provision for income taxes	$ 1,075		$ 653		$ 2,511		$ 1,368		$ 1,336

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