XML 34 R73.htm IDEA: XBRL DOCUMENT v2.4.0.6
Shareholders' Equity and Stock Options (Details Textual) (USD $)
In Thousands, except Share data, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Shareholders Equity and Stock Options (Textual) [Abstract]      
Authorized shares of common stock under prior deferred compensation plans 600,000    
Shareholders Equity and Stock Options (Additional Textual) [Abstract]      
Weighted average prices of vested and exercisable options   $ 15.57 $ 17.03
Aggregate intrinsic (in-the-money) values of vested options $ 6,656    
Aggregate intrinsic options outstanding 9,906    
Percentage of December 31, 2010 outstanding shares repurchased from December 7, 2011 through December 31, 2011 0.40%    
Percentage of December 31, 2011 outstanding shares repurchased during 2012 2.30%    
Aggregate cost of shares repurchased from December 7, 2011 through December 31, 2011 2,047    
Aggregate cost of shares repurchased during 2012 15,735    
Average price per share of shares repurchased from December 7, 2011 through December 31, 2011 $ 13.21    
Average price per share of shares repurchased during 2012 $ 17.16    
Average price per share of shares repurchased under the Dec. 7, 2011 repurchase program, total $ 16.59    
Remaining Common stock authorized for future repurchases 32,239    
Shares of common stock in connection with the conversion of restricted stock units   60,126  
Shares held in treasury 22,943,925    
Preferred stock, shares authorized 1,000,000 1,000,000  
Preferred stock, par value $ 0.001 $ 0.001  
Preferred stock outstanding        
Increase in number of shares of common stock reserved for issuance 2,200,000    
Shares available for grant under the compensation plan 3,300,000    
Grant date intrinsic value $ 0    
Closing stock price per share $ 19.96    
Maximum [Member]
      
Shareholders Equity and Stock Options (Textual) [Abstract]      
Amount of share repurchase authorized $ 50,000    
Expiration period of options from the date of grant 10 years    
Minimum [Member]
      
Shareholders Equity and Stock Options (Textual) [Abstract]      
Expiration period of options from the date of grant 7 years    
Restricted Stock Units (RSUs) [Member] | Maximum [Member]
      
Shareholders Equity and Stock Options (Textual) [Abstract]      
Vested period of grant date 5 years    
Restricted Stock Units (RSUs) [Member] | Minimum [Member]
      
Shareholders Equity and Stock Options (Textual) [Abstract]      
Vested period of grant date 1 year    
Stock Options [Member] | Maximum [Member]
      
Shareholders Equity and Stock Options (Textual) [Abstract]      
Vested period of grant date 5 years    
Stock Options [Member] | Minimum [Member]
      
Shareholders Equity and Stock Options (Textual) [Abstract]      
Vested period of grant date 4 years    
Common Stock [Member]
      
Shareholders Equity and Stock Options (Textual) [Abstract]      
Shares repurchased from December 7, 2011 through December 31, 2011 154,708    
Shares repurchased during 2012 915,895    
Shares repurchased under the Dec. 7, 2011 repurchase program, total 1,070,603    
Employee [Member]
      
Shareholders Equity and Stock Options (Textual) [Abstract]      
Authorized shares of common stock under prior deferred compensation plans 9,000,000