v2.4.0.8
Stockholders' Equity (Schedule Of Stockholders' Equity) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2014
Common Stock [Member]
Mar. 31, 2014
Additional Paid-In Capital [Member]
Mar. 31, 2014
Retained Earnings [Member]
Mar. 31, 2014
Accum. Other Comp. Income (Loss) [Member]
Mar. 31, 2014
Treasury Stock [Member]
Dec. 31, 2013
Treasury Stock [Member]
Stockholders' Equity [Line Items]                
Beginning balance, Shares     37,704,000       7,200,000 7,200,000
Beginning balance $ 545,358   $ 38 $ 468,962 $ 148,505 $ (6,339) $ (65,808) $ (65,808)
Net income 43,203 2,555     43,203      
Cash dividends declared (1,396)       (1,396)      
Other comprehensive loss before reclassifications (137,287)         (137,287)    
Amounts reclassified from accumulated other comprehensive loss 51,996         51,996    
Other comprehensive loss, net of tax (85,291) (5,934)       (85,291)    
Stock-based compensation, Shares     220,000          
Stock-based compensation 2,139     2,139        
Stock options exercised, Shares 151,000   151,000          
Stock options exercised 1,396     1,396        
Conversion of 5.75% Notes, Shares     6,533,000          
Conversion of 5.75% Notes 90,343   7 90,336        
Ending balance, Shares     44,608,000       7,200,000 7,200,000
Ending balance $ 595,752   $ 45 $ 562,833 $ 190,312 $ (91,630) $ (65,808) $ (65,808)
Common Stock, Dividends, Per Share, Declared $ 0.04