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Net Income per Share (Tables) | 3 Months Ended
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Jan. 31, 2019
Earnings Per Share [Abstract] |
Reconciliation of Weighted-Average Common Shares Used to Calculate Net Income Per Share | The table below reconciles the weighted-average common shares used to calculate basic net income (loss) per share with the weighted-average common shares used to calculate diluted net income (loss) per share:
| Three Months Ended January 31,
| 2019 |  | 2018
| (in thousands, except per share amounts)
Numerator: |  |  |
Net income (loss) | $ | 153,514 |  |  | $ | (3,691 | )
Denominator: |  |  |
Weighted-average common shares for basic net income (loss) per share | 149,288 |  |  | 149,441 |
Dilutive effect of potential common shares from equity-based compensation | 3,373 |  |  | — |
Weighted-average common shares for diluted net income (loss) per share | 152,661 |  |  | 149,441 |
Net income (loss) per share: |  |  |
Basic | $ | 1.03 |  |  | $ | (0.02 | )
Diluted | $ | 1.01 |  |  | $ | (0.02 | )
Anti-dilutive employee stock-based awards excluded(1) | 1,601 |  |  | 4,627 |
(1) | These employee stock-based awards were anti-dilutive for the respective periods and are excluded in calculating diluted net income (loss) per share. While such awards were anti-dilutive for the respective periods, they could be dilutive in the future.

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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