Stock-Based Compensation (Details) - shares |
9 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
Apr. 13, 2017 |
Sep. 28, 2017 |
Dec. 29, 2016 |
Dec. 31, 2015 |
Dec. 25, 2014 |
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| Share activity related to stock options | |||||
| Outstanding at the beginning of period | 11,979,111 | 10,460,119 | 9,524,266 | 10,714,356 | |
| Granted | 1,254,465 | 1,272,156 | 2,025,535 | 1,378,355 | 748,553 |
| Exercised | (1,004,322) | (145,140) | (5,149) | (201,137) | |
| Forfeited or expired | (159,687) | (361,403) | (437,353) | (1,737,506) | |
| Outstanding at the end of period | 12,087,258 | 11,979,111 | 10,460,119 | 9,524,266 | |
| X | ||||||||||
- Definition For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Gross number of share options (or share units) granted during the period. No definition available.
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- Definition Number of options outstanding, including both vested and non-vested options. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Number of share options (or share units) exercised during the current period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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