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Capital Lease Obligations (Details) - USD ($)	Jan. 31, 2017	Jul. 31, 2016
Capital Leases [Abstract]
Net book value of the leased assets	$ 7,125,000	$ 8,698,000
Blended interest rate	5.40%
Remainder of fiscal 2017	$ 1,880,000
Fiscal 2018	2,473,000
Fiscal 2019	1,469,000
Fiscal 2020	304,000
Fiscal 2021	0
Total minimum lease payments	6,126,000
Less: amounts representing interest	366,000
Present value of net minimum lease payments	5,760,000
Current portion of capital lease obligations	3,064,000	3,592,000
Non-current portion of capital lease obligations	2,696,000	$ 4,021,000
Capital Leases, Option To Buy Leased Asset	$ 1

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Capital Leases [Abstract]

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Represents the buyout option (at the end of the financing term) amount per unit for assets that were financed under capital leases

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Capital Leases, Weighted Average Interest Rate

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Amount of capital lease obligation due within one year or the normal operating cycle, if longer.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 50
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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid more than one year (or one operating cycle, if longer) after the balance sheet date.

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The total gross amount less the charge for the use of the long-lived depreciable assets subject to a lease meeting the criteria for capitalization.

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Amount of minimum lease payments for capital leases.

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Amount of minimum lease payments for capital leases due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of minimum lease payments for capital leases due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of minimum lease payments for capital leases due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of minimum lease payments for capital leases due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount necessary to reduce net minimum lease payments to present value for capital leases.

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Present value of minimum lease payments for capital leases net of executory costs, including amounts paid by the lessee to the lessor for insurance, maintenance and taxes.

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Amount of minimum lease payments for capital leases due in the remainder of the fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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