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Cash, Cash Equivalents, and Restricted Cash and Cash Equivalents (Details) - USD ($) $ in Thousands	Jan. 31, 2019	Jul. 31, 2018	Jan. 31, 2018	Jul. 31, 2017
Cash, Cash Equivalents, and Restricted Cash and Cash Equivalents [Abstract]
Cash and cash equivalents	$ 74,445	$ 68,089
Restricted cash included in other current assets	566	285
Cash and cash equivalents included in current assets held for sale (see Note 4)	5,372	5,892
Restricted cash and cash equivalents included in current assets held for sale (see Note 4)	158,881	128,931
Total cash, cash equivalents, and restricted cash and cash equivalents	$ 239,264	$ 203,197	$ 188,803	$ 211,963

X

- Definition

Amount classified as restricted cash and cash equivalents attributable to disposal group held for sale or disposed of.

+ References

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- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes 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. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including, but not limited to, disposal group and discontinued operations. 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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Amount classified as cash and cash equivalents attributable to disposal group held for sale or disposed of.

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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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