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Stock-Based Compensation - Schedule of Grants (Details)
Sep. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Stock Options Outstanding (in shares) 292,746
RSA's (Restricted Stock Awards) outstanding 233,825
Awards Exercised 1,284,029
Available Shares 2,725,345
Authorized Shares 4,535,945
2010 ECP
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Stock Options Outstanding (in shares) 258,998
RSA's (Restricted Stock Awards) outstanding 46,095
Awards Exercised 1,037,250
Available Shares 2,193,602
Authorized Shares 3,535,945
2005 LTIP
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Stock Options Outstanding (in shares) 33,748
RSA's (Restricted Stock Awards) outstanding 187,730
Awards Exercised 246,779
Available Shares 531,743
Authorized Shares 1,000,000