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EMPLOYEE BENEFIT PLANS INCLUDING SHARE-BASED PAYMENT PLANS - DOLLAR THRIFTY (Details 2) (Dollar Thrifty Automotive Group Inc., USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Dollar Thrifty Automotive Group Inc.
     
Deferred Compensation and Retirement Plans      
Percentage of executives' current annual base compensation received as contribution by key executive     15.00%
Expense related to plans for contributions made by the Company $ 0.9 $ 0.8 $ 0.8
Balance in the deferred compensation and retirement plans which is reflected in accrued liabilities $ 5.8 $ 3.9