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Leases (Detail) - Summary of future minimum rentals on such leases (USD $) In Thousands, unless otherwise specified	Jul. 31, 2012
Remainder of 2013	$ 693
2014	1,261
2015	1,070
2016	511
2017	443
Thereafter	1,453
Total	$ 5,431

X

- Definition

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 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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