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Summary of Significant Accounting Policies (Details)	3 Months Ended		12 Months Ended
Summary of Significant Accounting Policies (Details)	Mar. 26, 2017	Mar. 27, 2016	Dec. 25, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Fiscal year duration	371 days		364 days
First quarter duration	91 days	91 days
Minimum
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Fiscal year duration	364 days
Maximum
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Fiscal year duration	371 days