Credit Facility	6 Months Ended
Jan. 31, 2016
Line of Credit Facility [Abstract]
Credit Facility	Credit Facility As of January 31, 2016, we had an uncommitted $15,000,000 secured credit facility (the "Credit Facility") with one bank that provides for the extension of credit to us in the form of revolving loans, including letters of credit and standby letters of credit, at any time and from time to time during its term, in an aggregate principal amount at any time outstanding not to exceed $15,000,000. Subject to covenant limitations, the Credit Facility may be used for working capital, capital expenditures and other general corporate purposes. At January 31, 2016, we had $1,699,000 of standby letters of credit outstanding related to our guarantees of future performance on certain customer contracts and no outstanding commercial letters of credit. The Credit Facility was terminated on February 23, 2016, when, as discussed further in Note (18) - "Subsequent Events," in connection with our acquisition of TCS, we entered into a new $400,000,000 credit facility. Interest expense, including amortization of deferred financing costs, recorded during the six months ended January 31, 2015 was $198,000, all of which related to our $100,000,000 committed revolving credit facility that expired on October 31, 2014. There was no interest expense recorded during the three months ended January 31, 2016 and 2015 or the six months ended January 31, 2016.

Credit Facility

6 Months Ended

Jan. 31, 2016

As of January 31, 2016, we had an uncommitted $15,000,000 secured credit facility (the "Credit Facility") with one bank that provides for the extension of credit to us in the form of revolving loans, including letters of credit and standby letters of credit, at any time and from time to time during its term, in an aggregate principal amount at any time outstanding not to exceed $15,000,000. Subject to covenant limitations, the Credit Facility may be used for working capital, capital expenditures and other general corporate purposes.

At January 31, 2016, we had $1,699,000 of standby letters of credit outstanding related to our guarantees of future performance on certain customer contracts and no outstanding commercial letters of credit.

The Credit Facility was terminated on February 23, 2016, when, as discussed further in Note (18) - "Subsequent Events," in connection with our acquisition of TCS, we entered into a new $400,000,000 credit facility.

Interest expense, including amortization of deferred financing costs, recorded during the six months ended January 31, 2015 was $198,000, all of which related to our $100,000,000 committed revolving credit facility that expired on October 31, 2014. There was no interest expense recorded during the three months ended January 31, 2016 and 2015 or the six months ended January 31, 2016.