Income Taxes (Schedule Of Deferred Income Tax Liabilities And Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Income Taxes [Abstract]
Leasehold improvements, property and equipment	$ 144,113	$ 140,908
Goodwill and other assets	1,438	1,339
Prepaid assets and other	4,154	5,191
Total deferred income tax liability	149,705	147,438
Deferred rent	49,481	42,859
Gift card liability	5,752	4,580
Capitalized transaction costs	323	324
Stock-based compensation and other employee benefits	65,651	80,447
Foreign net operating loss carry-forwards	11,871	11,376
State credits	5,230	5,589
Allowances, reserves and other	13,355	13,719
Valuation allowance	(13,524)	(12,270)
Total deferred income tax asset	138,139	146,624
Net deferred income tax liability	$ 11,566	$ 814

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.