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Description of Business and Summary of Significant Accounting Policies (Details Textual)	3 Months Ended
	Oct. 31, 2019 USD ($)	Jul. 31, 2019 USD ($)
Description Of Business and Summary Of Significant Accounting Policies [Line Items]
Contract with Customer, Asset, after Allowance for Credit Loss	$ 10,131,000	$ 10,574,000
Capitalized Contract Cost, Gross	0
Capitalized Contract Cost, Amortization	(875,000)
Indefinite-lived Intangible Assets, Foreign Currency Translation Gain (Loss)	432,000
Contract with Customer, Liability	0
Capitalized software costs	42,600,000	39,400,000
Accumulated amortization expense	$ 25,900,000	$ 23,600,000
Number of operating segments	2
Number of reportable segment	2

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For each balance sheet presented, the amount of accumulated amortization for capitalized computer software costs.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 985
-SubTopic 20
-Section 50
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The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date.

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Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer.

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Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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