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Summary of Significant Accounting Policies (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 27, 2014
item
Use of Estimates  
Number of indicators of impairment for goodwill, intangible, and long-lived assets 0boot_NumberOfIndicatorsOfImpairmentForGoodwillIntangibleAndLongLivedAssets
Fair Value of Certain Financial Assets and Liabilities  
Financial assets requiring fair value measurements on a recurring basis $ 0boot_FinancialAssetsRequiringFairValueMeasurementsOnRecurringBasis
Financial liabilities requiring fair value measurements on a recurring basis $ 0boot_FinancialLiabilitiesRequiringFairValueMeasurementsOnRecurringBasis