XML 12 R50.htm IDEA: XBRL DOCUMENT v2.3.0.15
Note R - Stock-Based Compensation (Detail) - (Table 2) (USD $)
In Thousands
3 Months Ended9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Total  $ 8,337$ 5,963
Restricted Stock [Member]
    
Allocated Equity-based compensation1,0931,1104,0503,440
Stock Options [Member]
    
Allocated Equity-based compensation1,6791,1774,2872,523
Total$ 2,772$ 2,287$ 8,337$ 5,963