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Stock Repurchase Program | 6 Months Ended
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Apr. 30, 2021
Stock Repurchase Program [Abstract] |
Stock Repurchase Program | Stock Repurchase Program The Company’s Board of Directors (the Board) previously approved a stock repurchase program pursuant to which the Company was authorized to purchase up to $500.0 million of its common stock and has periodically replenished the stock repurchase program to such amount. As of April 30, 2021, $59.8 million remained available for future repurchases under the program. In December 2020, the Company entered into an accelerated share repurchase agreement (the December 2020 ASR) to repurchase an aggregate of $250.0 million of the Company's common stock. Pursuant to the December 2020 ASR, the Company made a prepayment of $250.0 million to receive initial deliveries of shares valued at $200.0 million. The remaining balance of $50.0 million was settled in March 2021. Total shares purchased under the December 2020 ASR were approximately 1.0 million shares, at an average purchase price of $252.36 per share. In April 2021, the Company entered into an accelerated share repurchase agreement (the April 2021 ASR) to repurchase an aggregate of $100.0 million of the Company's common stock. The total shares purchased under the April 2021 ASR were approximately 0.4 million shares, at an average purchase price of $253.54 per share. Stock repurchase activities as well as the reissuance of treasury stock for employee stock-based compensation purposes are as follows:
| Three Months Ended April 30, |  | Six Months Ended April 30,
| 2021(1) |  | 2020(2) |  | 2021 |  | 2020(2)
| (in thousands)
Total shares repurchased | 756 |  |  | 652 |  |  | 1,593 |  |  | 1,231 |
Total cost of the repurchased shares | $ | 195,211 |  |  | $ | 100,000 |  |  | $ | 398,082 |  |  | $ | 180,000 |
Reissuance of treasury stock | 946 |  |  | 1,358 |  |  | 1,529 |  |  | 1,808 |
(1) Includes the 166,276 shares and $50.0 million equity forward contract, respectively, from the December 2020 ASR. (2) Does not include the 148,953 shares and $20.0 million equity forward contract, respectively, from the February 2020 ASR settled in May 2020.

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- Definition Stock Repurchase Program + References No definition available. + Details
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- Definition The entire disclosure for treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -URI http://asc.fasb.org/subtopic&trid=2208821 + Details
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