Earnings Per Share - Numerators and Denominators in Basic and Diluted Earnings (Loss) Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Sep. 30, 2017 |
Jun. 24, 2017 |
Mar. 25, 2017 |
Dec. 24, 2016 |
Sep. 24, 2016 |
Jun. 25, 2016 |
Mar. 26, 2016 |
Dec. 26, 2015 |
Sep. 29, 2018 |
Sep. 30, 2017 |
Sep. 24, 2016 |
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| Earnings Per Share [Abstract] | |||||||||||
| Net income (loss) available to common shareholders basic | $ 123,594 | $ 78,828 | $ 44,514 | ||||||||
| Net income (loss) available to common shareholders diluted | $ 123,594 | $ 78,828 | $ 44,514 | ||||||||
| Net income (loss) available to common shareholders basic (in shares) | 54,059 | 51,134 | 50,871 | 50,730 | 50,654 | 50,507 | 50,079 | 49,665 | 51,716 | 50,230 | 48,964 |
| Options to purchase common stock (in shares) | 996 | 992 | 1,335 | ||||||||
| Restricted shares (in shares) | 629 | 598 | 776 | ||||||||
| Net income (loss) available to common shareholders diluted (in shares) | 55,376 | 52,575 | 52,658 | 52,695 | 51,935 | 51,825 | 51,983 | 51,810 | 53,341 | 51,820 | 51,075 |
| Net income (loss) available to common shareholders basic (in usd per share) | $ 0.20 | $ 0.81 | $ 0.89 | $ 0.52 | $ 0.08 | $ 0.64 | $ 0.69 | $ 0.15 | $ 2.39 | $ 1.57 | $ 0.91 |
| Options to purchase common stock (in usd per share) | (0.05) | (0.03) | (0.02) | ||||||||
| Restricted shares (in usd per share) | (0.02) | (0.02) | (0.02) | ||||||||
| Net income (loss) available to common shareholders diluted (in usd per share) | $ 0.19 | $ 0.79 | $ 0.86 | $ 0.50 | $ 0.08 | $ 0.62 | $ 0.67 | $ 0.15 | $ 2.32 | $ 1.52 | $ 0.87 |
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- Definition Options to purchase common stock earning (loss) per share. No definition available.
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- Definition Restricted earning (loss) per share. No definition available.
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- References No definition available.
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- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities, and addition from assumption of issuance of common shares for dilutive potential common shares; of income (loss) available to common shareholders. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of shares of restricted stock determined by relating the portion of time within a reporting period that restricted shares have been outstanding to the total time in that period. Restricted shares are subject to sales, contractual, regulatory or other restrictions that prevent or inhibit the holder from freely disposing of them before the restriction ends. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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