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Equity - Share Repurchase Program - Additional Information (Details) - 2017 Share Repurchase Program - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Jun. 30, 2017 | Aug. 31, 2019 | Aug. 31, 2019
Equity Class Of Treasury Stock [Line Items] |  |  |
Stock repurchase program, period in force | 3 years |  |
Stock repurchase Program, authorized amount | $ 300,000 |  |
Number of shares repurchased |  | 840,000 | 840,000
Value of shares repurchased |  | $ 81,172 | $ 81,172
Stock repurchase program, number of shares repurchased |  | 0 | 160,000
Stock repurchase program, value of shares repurchased |  |  | $ 15,184

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- Definition Number of shares repurchased under share repurchase program. + References No definition available. + Details
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- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
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- Definition Period which shares may be purchased under a stock repurchase plan authorized by an entity's Board of Directors, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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