Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation - Schedule of stock-based awards granted (Details)

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Share-Based Compensation - Schedule of stock-based awards granted (Details)
9 Months Ended
Jun. 30, 2015
shares
Stock options  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Options granted in period 360,903
Time-based stock awards  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Stock awards granted in period 68,137
Performance-based stock awards (maximum that can be earned)  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Stock awards granted in period 474,599