Stock-Based Compensation - Schedule of Stock Option Activity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands			12 Months Ended
Dec. 31, 2016	Dec. 26, 2015	Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Stock options outstanding (in shares)			1,177
Stock options granted (in shares)			36
Stock options exercised (in shares)			(166)
Stock options canceled (in shares)			(192)
Stock options outstanding (in shares)	855	1,177	855
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Stock options outstanding, weighted average exercise price (in usd per share)			$ 4.66
Stock options grated, weighted average exercise price (in usd per share)			24.34
Stock options exercised, weighted average exercise price (in usd per share)			2.92
stock options canceled, weighted average exercise price (in usd per share)			5.99
Stock options outstanding, weighted average exercise price (in usd per share)	$ 5.14	$ 4.66	$ 5.14
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Stock options outstanding, aggregate intrinsic value			$ 21,059
Stock options outstanding, aggregate intrinsic value	$ 20,905	$ 21,059	$ 20,905
Stock options outstanding, weighted average remaining term	6 years 9 months 18 days	7 years 8 months 12 days

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- 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.

+ References

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-Publisher FASB
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- Definition

Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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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.

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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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- Definition

Amount by which the current fair value of the underlying stock exceeds the exercise price of fully vested and expected to vest options outstanding.

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- Definition

Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Weighted average remaining contractual term for fully vested and expected to vest options outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of share options (or share units) exercised during the current period.

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