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Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Details) $ in Thousands | Dec. 28, 2016 USD ($)
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New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
Cumulative effect adjustment | $ 8,971
Other Noncurrent Assets [Member] |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
Cumulative effect adjustment | (200)
Paid-in Capital [Member] |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
Cumulative effect adjustment | 600
Excess Tax Benefits [Member] | (Deficit) [Member] |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
Cumulative effect adjustment | 8,800
Estimated Forfeitures [Member] | (Deficit) [Member] |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
Cumulative effect adjustment | $ (400)

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