The net cash inflow or outflow for the increase (decrease) associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as operating activities. This may include cash restricted for regulatory purposes.

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Represents the quantification of the effect of adopting the new accounting standard or change in accounting principle expected by the entity to have a significant effect on the entity's financial statements.

+ References

No definition available.

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Amount of the effect of a change in accounting principle on net income.

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Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Summary of Significant Accounting Policies Recently Issued Accounting Standards (Details) - USD ($) $ in Thousands	9 Months Ended
	Apr. 30, 2019	Apr. 30, 2018	Jul. 31, 2018	Jul. 31, 2017
Cumulative effect for adoption of revenue standard (Notes 2 & 3)	$ (7,517)
Increase (Decrease) in Restricted Cash for Operating Activities		$ 2,600
Restricted cash	8,876	$ 7,427	$ 6,895	$ 10,300
Retained Earnings [Member]
New Accounting Pronouncement or Change in Accounting Principle, Effect of Change on Net Income	(6,930)
Cumulative effect for adoption of revenue standard (Notes 2 & 3)	(7,517)
Accounts Payable and Accrued Liabilities [Member]
Cumulative effect for adoption of revenue standard (Notes 2 & 3)	$ 6,930