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Note 23: Stock Option And Compensation Plans (Detail) - Stock Options Activity By Exercise Price Range (USD $)
In Thousands, except Per Share data, unless otherwise specified
 12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended
Dec. 31, 2012
Dec. 31, 2012
Options Outstanding [Member]
$2 - $10 [Member]
Weighted Average [Member]
Dec. 31, 2012
Options Outstanding [Member]
$10 - $30 [Member]
Weighted Average [Member]
Dec. 31, 2012
Options Outstanding [Member]
$30 - $40 [Member]
Weighted Average [Member]
Dec. 31, 2012
Options Exercisable [Member]
$2 - $10 [Member]
Weighted Average [Member]
Dec. 31, 2012
Options Exercisable [Member]
$10 - $30 [Member]
Weighted Average [Member]
Dec. 31, 2012
Options Exercisable [Member]
$30 - $40 [Member]
Weighted Average [Member]
Dec. 31, 2012
$2 - $10 [Member]
Minimum [Member]
Dec. 31, 2012
$2 - $10 [Member]
Maximum [Member]
Dec. 31, 2012
$2 - $10 [Member]
Dec. 31, 2012
$10 - $30 [Member]
Minimum [Member]
Dec. 31, 2012
$10 - $30 [Member]
Maximum [Member]
Dec. 31, 2012
$10 - $30 [Member]
Dec. 31, 2012
$30 - $40 [Member]
Minimum [Member]
Dec. 31, 2012
$30 - $40 [Member]
Maximum [Member]
Dec. 31, 2012
$30 - $40 [Member]
Dec. 31, 2012
Minimum [Member]
Dec. 31, 2011
Minimum [Member]
Dec. 31, 2010
Minimum [Member]
Dec. 31, 2009
Minimum [Member]
Dec. 31, 2012
Maximum [Member]
Dec. 31, 2011
Maximum [Member]
Dec. 31, 2010
Maximum [Member]
Dec. 31, 2009
Maximum [Member]
Dec. 31, 2012
Weighted Average [Member]
Dec. 31, 2011
Weighted Average [Member]
Dec. 31, 2010
Weighted Average [Member]
Dec. 31, 2009
Weighted Average [Member]
Exercise Price         $ 5.96 $ 23.97 $ 31.00 $ 2 $ 10   $ 10 $ 30   $ 30 $ 40                          
Number of Options Outstanding (in Shares) 7,940                 5,145     2,222     573                        
Number of Options Exercisable (in Shares) 6,456                 3,661     2,222     573                        
Options Outstanding Remaining Life 2 years 255 days                 3 years 204 days     1 year 120 days     102 days                        
Options Outstanding Weighted-Average Exercise Price   $ 5.34 $ 23.97 $ 31.00                         $ 2.64 $ 2.64 $ 2.64 $ 2.64 $ 36.66 $ 38.04 $ 48.34 $ 65.91 $ 12.40 $ 18.89 $ 25.22 $ 28.55
Options Exercisable Weighted-Average Exercise Price         $ 5.96 $ 23.97 $ 31.00 $ 2 $ 10   $ 10 $ 30   $ 30 $ 40