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Condensed Consolidated Statement of Income and Comprehensive Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Condensed Consolidated Statement of Income and Comprehensive Income [Abstract]
Revenue	$ 1,089,043us-gaap_FoodAndBeverageRevenue	$ 904,163us-gaap_FoodAndBeverageRevenue
Restaurant operating costs (exclusive of depreciation and amortization shown separately below):
Food, beverage and packaging	369,026us-gaap_FoodAndBeverageCostOfSales	311,792us-gaap_FoodAndBeverageCostOfSales
Labor	244,151us-gaap_CostOfGoodsSoldDirectLabor	208,208us-gaap_CostOfGoodsSoldDirectLabor
Occupancy	63,185us-gaap_OccupancyNet	54,846us-gaap_OccupancyNet
Other operating costs	113,541us-gaap_OtherCostAndExpenseOperating	95,137us-gaap_OtherCostAndExpenseOperating
General and administrative expenses	63,061us-gaap_GeneralAndAdministrativeExpense	66,917us-gaap_GeneralAndAdministrativeExpense
Depreciation and amortization	30,643us-gaap_DepreciationDepletionAndAmortization	25,754us-gaap_DepreciationDepletionAndAmortization
Pre-opening costs	3,435us-gaap_PreOpeningCosts	4,300us-gaap_PreOpeningCosts
Loss on disposal of assets	4,200us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges	1,559us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges
Total operating expenses	891,242us-gaap_CostsAndExpenses	768,513us-gaap_CostsAndExpenses
Income from operations	197,801us-gaap_OperatingIncomeLoss	135,650us-gaap_OperatingIncomeLoss
Interest and other income (expense), net	1,223us-gaap_OtherNonoperatingIncomeExpense	689us-gaap_OtherNonoperatingIncomeExpense
Income before income taxes	199,024us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	136,339us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Provision for income taxes	(76,383)us-gaap_IncomeTaxExpenseBenefit	(53,270)us-gaap_IncomeTaxExpenseBenefit
Net income	122,641us-gaap_NetIncomeLoss	83,069us-gaap_NetIncomeLoss
Earnings per share:
Basic	$ 3.95us-gaap_EarningsPerShareBasic	$ 2.67us-gaap_EarningsPerShareBasic
Diluted	$ 3.88us-gaap_EarningsPerShareDiluted	$ 2.64us-gaap_EarningsPerShareDiluted
Weighted average common shares outstanding:
Basic	31,036us-gaap_WeightedAverageNumberOfSharesOutstandingBasic	31,061us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Diluted	31,592us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding	31,486us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
Comprehensive income	$ 117,929us-gaap_ComprehensiveIncomeNetOfTax	$ 82,938us-gaap_ComprehensiveIncomeNetOfTax

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Payroll costs incurred (including equity-based compensation) that are directly related to goods produced and sold during the reporting period.

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-Glossary Weighted-Average Number of Common Shares Outstanding

-URI http://asc.fasb.org/extlink&oid=6528421

+ Details

Name:	us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration