Income Taxes (Schedule Of Deferred Income Tax Liabilities And Assets) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Income Taxes [Abstract]
Leasehold improvements, property and equipment	$ 175,808	$ 156,746
Goodwill and other assets	1,519	1,346
Other	2,689	1,591
Total long-term deferred income tax liability	180,016	159,683
Deferred rent	52,147	47,127
Gift card liability	1,451	876
Capitalized transaction costs	503	506
Stock-based compensation and other employee benefits	79,810	53,622
Foreign net operating loss carry-forwards	8,618	5,598
State credits	4,281us-gaap_DeferredTaxAssetsStateTaxes	1,300us-gaap_DeferredTaxAssetsStateTaxes
Other	145us-gaap_DeferredTaxAssetsOther
Valuation allowance	(7,468)	(4,780)
Total long-term deferred income tax asset	139,487us-gaap_DeferredTaxAssetsNetNoncurrent	104,249us-gaap_DeferredTaxAssetsNetNoncurrent
Net long-term deferred income tax liability	40,529	55,434
Prepaid assets and other	3,402	2,970
Total current deferred income tax liability	3,402us-gaap_DeferredTaxLiabilitiesCurrent	2,970us-gaap_DeferredTaxLiabilitiesCurrent
Allowances, reserves and other	14,511	11,973
Other employee benefits	7,903	4,267
Valuation allowance	(44)	(58)
Total current deferred income tax asset	22,370us-gaap_DeferredTaxAssetsNetCurrent	16,182us-gaap_DeferredTaxAssetsNetCurrent
Net current deferred income tax asset	18,968	13,212
Total deferred income tax liability	$ 21,561us-gaap_DeferredTaxAssetsLiabilitiesNet	$ 42,222us-gaap_DeferredTaxAssetsLiabilitiesNet

The cumulative amount of the estimated future tax effects attributable to the difference between the tax basis of transaction costs and the basis of transaction costs computed in accordance with generally accepted accounting principles. The difference in basis, whether due to amortization or other reasons, will decrease future taxable income when such difference reverses.

No definition available.