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Note T - Commitments, Contingencies and Other (Detail) (USD $)
In Thousands, unless otherwise specified
4 Months Ended
Mar. 31, 2012
Dec. 31, 2009
Sep. 30, 2007
Loss Contingency, Estimate of Possible Loss     $ 1,400
Loss Contingency, Range of Possible Loss, Maximum 1,700 3,045  
Loss Contingency Accrual, at Carrying Value 1,248    
Payments for Other Taxes 342    
Tax Penalties From Examination $ 1,367