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Cash, Cash Equivalents, and Restricted Cash and Cash Equivalents (Tables) | 3 Months Ended
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Oct. 31, 2018
Cash, Cash Equivalents, and Restricted Cash and Cash Equivalents [Abstract] |
Schedule of cash, cash equivalents, and restricted cash and cash equivalents |
|  | October 31, 2018 |  |  | July 31, 2018 |
|  | (in thousands) |
Cash and cash equivalents |  | $ | 59,313 |  |  | $ | 68,089 |
Restricted cash included in other current assets |  |  | 544 |  |  |  | 285 |
Cash and cash equivalents included in current assets held for sale (see Note 4) |  |  | 4,906 |  |  |  | 5,892 |
Restricted cash and cash equivalents included in current assets held for sale (see Note 4) |  |  | 130,738 |  |  |  | 128,931 |
Total cash, cash equivalents, and restricted cash and cash equivalents |  | $ | 195,501 |  |  | $ | 203,197 |

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