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Common Stock - Narrative (Details) - 2019 Share Repurchase Program - USD ($) | Jul. 31, 2020 | Dec. 18, 2019
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Equity, Class of Treasury Stock [Line Items] |  |
Share repurchase program authorized amount |  | $ 150,000,000.0
Remaining authorized repurchase amount | $ 144,900,000 |

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- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
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- Definition Amount remaining of a stock repurchase plan authorized. + References No definition available. + Details
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- Details
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