Future Annual Minimum Lease Payments Under All Noncancelable Operating Leases (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013
Commitments and Contingencies Disclosure [Abstract]
2013 (remaining six months).	$ 4,473
2014	7,845
2015	5,967
2016	4,169
2017	4,004
Thereafter	12,526
Total future annual minimum lease payment	$ 38,984

Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the fifth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the forth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the third fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the second fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing after the fifth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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