Operating Lease Commitments

12 Months Ended

Jul. 31, 2017

Operating Lease Commitments [Abstract]

16.	Operating Lease Commitments

The Company rents certain office facilities and equipment under non-cancelable operating leases and certain other facilities for servicing project sites over the term of the related long-term government contracts. 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 are included in the calculation of minimum lease payments. Gross rental expense associated with lease commitments was $3.4 million in fiscal year 2017 and $3.5 million in fiscal years 2016 and 2015.

Future minimum rental commitments under operating leases as of July 31, 2017 are summarized in the following table.

Fiscal Year Ending July 31,	Amount
	(in thousands)

2018	$	2,635
2019		1,999
2020		1,367
2021		1,209
2022		774
Thereafter		516