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Income Taxes Income Taxes (Details) (USD $)
 12 Months Ended
Dec. 30, 2014
Dec. 31, 2013
Dec. 25, 2012
Results of Operations, Income before Income Taxes [Abstract]      
Income (Loss) before Income Taxes, United States $ 285,564,000us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic $ 317,479,000us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic $ 286,702,000us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
Income (Loss) before Income Taxes, Canada (8,270,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign (4,759,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign (3,706,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign
Income before income taxes 277,294,000us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments 312,720,000us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments 282,996,000us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
Income Tax Expense (Benefit) [Abstract]      
Current Federal Tax Expense (Benefit) 73,234,000us-gaap_CurrentFederalTaxExpenseBenefit 87,548,000us-gaap_CurrentFederalTaxExpenseBenefit 72,434,000us-gaap_CurrentFederalTaxExpenseBenefit
Current State Tax Expense (Benefit) 14,306,000us-gaap_CurrentStateAndLocalTaxExpenseBenefit 18,638,000us-gaap_CurrentStateAndLocalTaxExpenseBenefit 15,955,000us-gaap_CurrentStateAndLocalTaxExpenseBenefit
Current Income Tax Expense (Benefit) 87,540,000us-gaap_CurrentIncomeTaxExpenseBenefit 106,186,000us-gaap_CurrentIncomeTaxExpenseBenefit 88,389,000us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred Federal Income Tax Expense (Benefit) 9,609,000us-gaap_DeferredFederalIncomeTaxExpenseBenefit 8,547,000us-gaap_DeferredFederalIncomeTaxExpenseBenefit 16,640,000us-gaap_DeferredFederalIncomeTaxExpenseBenefit
Deferred State Income Tax Expense (Benefit) 950,000us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit 1,804,000us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit 3,603,000us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit
Deferred Foreign Income Tax Expense (Benefit) (98,000)us-gaap_DeferredForeignIncomeTaxExpenseBenefit 14,000us-gaap_DeferredForeignIncomeTaxExpenseBenefit 916,000us-gaap_DeferredForeignIncomeTaxExpenseBenefit
Deferred Income Tax Expense (Benefit) 10,461,000us-gaap_DeferredIncomeTaxExpenseBenefit 10,365,000us-gaap_DeferredIncomeTaxExpenseBenefit 21,159,000us-gaap_DeferredIncomeTaxExpenseBenefit
Income Tax Expense (Benefit) 98,001,000us-gaap_IncomeTaxExpenseBenefit 116,551,000us-gaap_IncomeTaxExpenseBenefit 109,548,000us-gaap_IncomeTaxExpenseBenefit
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract]      
Statutory rate provision (as a percent) 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
State Income Taxes (as a percent) 4.10%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes 4.50%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes 4.50%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
Effective Income Tax Rate Reconciliation, Tax Credit, Amount (1.40%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxCredits (0.80%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxCredits (0.40%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxCredits
Other Adjustments (as a percent) (2.40%)us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments (1.40%)us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments (0.40%)us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments
Effective Income Tax Rate, Continuing Operations (as a percent) 35.30%us-gaap_EffectiveIncomeTaxRateContinuingOperations 37.30%us-gaap_EffectiveIncomeTaxRateContinuingOperations 38.70%us-gaap_EffectiveIncomeTaxRateContinuingOperations
Components of Deferred Tax Assets and Liabilities [Abstract]      
Deferred Tax Assets, Accrued Expenses 72,891,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities 71,245,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities  
Deferred Tax Assets, Share-based Compensation Cost 3,125,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost 3,534,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost  
Deferred Tax Assets, Operating Loss Carryforwards 4,178,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwards 3,124,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwards  
Deferred Tax Assets, Other 1,701,000us-gaap_DeferredTaxAssetsOther 1,008,000us-gaap_DeferredTaxAssetsOther  
Valuation Allowance, Deferred Tax Asset, Change in Amount (4,625,000)us-gaap_DeferredTaxAssetsValuationAllowance (3,173,000)us-gaap_DeferredTaxAssetsValuationAllowance  
Deferred Tax Assets, Net 77,270,000us-gaap_DeferredTaxAssetsLiabilitiesNet 75,738,000us-gaap_DeferredTaxAssetsLiabilitiesNet  
Deferred Tax Liabilities, Property, Plant and Equipment (101,533,000)us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment (90,940,000)us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment  
Deferred Tax Liabilities, Goodwill and Intangible Assets (23,705,000)us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets (22,307,000)us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssets  
Deferred Tax Liabilities, Gross 125,238,000us-gaap_DeferredIncomeTaxLiabilities 113,247,000us-gaap_DeferredIncomeTaxLiabilities  
Deferred Tax Liabilities, Net (47,968,000)us-gaap_DeferredTaxLiabilities (37,509,000)us-gaap_DeferredTaxLiabilities  
Deferred Tax Assets, Net of Valuation Allowance, Current 28,621,000us-gaap_DeferredTaxAssetsNetCurrent 27,889,000us-gaap_DeferredTaxAssetsNetCurrent  
Deferred Tax Liabilities, Net, Noncurrent (76,589,000)us-gaap_DeferredTaxLiabilitiesNoncurrent (65,398,000)us-gaap_DeferredTaxLiabilitiesNoncurrent  
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]      
Starting Unrecognized Tax Benefits 2,999,000us-gaap_UnrecognizedTaxBenefits 3,051,000us-gaap_UnrecognizedTaxBenefits 3,544,000us-gaap_UnrecognizedTaxBenefits
Increases Resulting from Current Period Tax Positions 1,536,000us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions 653,000us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions 530,000us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
Increases Resulting from Prior Period Tax Positions 2,671,000us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions 256,000us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions 217,000us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
Decreases Resulting from Prior Period Tax Positions 0us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions (49,000)us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions (341,000)us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions
Decreases Resulting from Settlements (131,000)us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities (425,000)us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities (58,000)us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities
Expiration of Statute of Limitations (620,000)us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations (487,000)us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations (841,000)us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations
Ending Unrecognized Tax Benefits $ 6,455,000us-gaap_UnrecognizedTaxBenefits $ 2,999,000us-gaap_UnrecognizedTaxBenefits $ 3,051,000us-gaap_UnrecognizedTaxBenefits