XML 52 R33.htm IDEA: XBRL DOCUMENT v2.4.0.8
Long-term Incentive Plan (Details) (USD $)
0 Months Ended 3 Months Ended 9 Months Ended
Mar. 22, 2013
Sep. 30, 2013
Mar. 31, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
May 29, 2013
Mar. 21, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized             70,500 75,000
Stock Issued During Period, Shares, Restricted Stock Award, Gross 282,000 42,000            
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized   17,000            
Trading Days     20 days          
Allocated Share-based Compensation Expense   $ 5,990,000   $ 2,968,000 $ 15,567,000 $ 10,867,000    
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Share-based Awards Other than Options   10,200,000     10,200,000      
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized   5,400,000     5,400,000      
Omnibus Stock Incentive Plans, 2007 [Member]
               
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Allocated Share-based Compensation Expense   $ 4,200,000     $ 8,300,000      
Common Stock [Member] | Minimum [Member]
               
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plan         8 months      
Common Stock [Member] | Maximum [Member]
               
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plan         32 months