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Note Q - Stock-Based Compensation (Detail) - (Table 2) (USD $)
In Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2011
Jun. 30, 2010
Total     $ 5,565 $ 3,676
Stock Options [Member]
       
Allocated Equity-based compensation 1,420 816 2,608 1,346
Restricted Stock [Member]
       
Allocated Equity-based compensation 1,620 1,043 2,957 2,330
Total $ 3,040 $ 1,859 $ 5,565 $ 3,676