v2.4.0.6

Commitments and Contingencies (Schedule of Future Minimum Payments under Noncancelable Lease Agreements) (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012
Commitments and Contingencies Disclosure [Abstract]
2012	$ 1,867
2013	8,809
2014	9,540
2015	9,653
2016	9,741
Thereafter	46,389
Total minimum lease payments	$ 85,999

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