Lease Commitments

12 Months Ended

Jul. 31, 2012

The Company rents certain office facilities and equipment under non-cancelable operating leases. The Company also rents certain facilities for servicing project sites over the term of the related long-term government contracts.

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Table of Contents

At July 31, 2012, future minimum rental commitments are as follows:

Fiscal Year	Amount

2013	$	3,114,799
2014		2,325,349
2015		1,460,362
2016		1,027,248
2017		854,542
Thereafter		1,066,545

Lease agreements may contain step rent provisions and/or free rent concessions. Lease payments based on a price index have rent expense recognized on a straight line or substantially equivalent basis, and they are included in the calculation of minimum lease payments. Gross rental expense under the above lease commitments for 2012, 2011, and 2010 was approximately $4.2 million, $3.6 million and $3.2 million, respectively.

- Definition

The entire disclosure for lessee entity's leasing arrangements including, but not limited to, all of the following: (a.) The basis on which contingent rental payments are determined, (b.) The existence and terms of renewal or purchase options and escalation clauses, (c.) Restrictions imposed by lease agreements, such as those concerning dividends, additional debt, and further leasing.

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