Stock-Based Compensation Other (Details) - $ / shares |
9 Months Ended | 12 Months Ended | ||||
|---|---|---|---|---|---|---|
Jul. 25, 2017 |
Apr. 13, 2017 |
Sep. 28, 2017 |
Dec. 29, 2016 |
Dec. 31, 2015 |
Dec. 25, 2014 |
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| Stock-Based Compensation | ||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized | 5,000,000 | 12,520,407 | 10,780,970 | |||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | 1,254,465 | 1,272,156 | 2,025,535 | 1,378,355 | 748,553 | |
| Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted | 15,475 | |||||
| Aggregate number of shares | 10,718,550 | |||||
| Share Price | $ 40.00 | $ 9.99 | ||||
| X | ||||||||||
- References No definition available.
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- Definition The number of shares issued or sold by the subsidiary or equity method investee per stock transaction. No definition available.
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- Definition Net number of non-option equity instruments granted to participants. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). 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 Price of a single share of a number of saleable stocks of a company. No definition available.
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