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Share-based Compensation (Narrative) (Details) (USD $) | 3 Months Ended
--- | ---
Dec. 31, 2012 Y
Share-based Compensation 1 | 800,000
Share-based Compensation 2 | 1,600,000
Share-based Compensation 3 | 400,000
Share-based Compensation 4 | $ 31.25
Share-based Compensation 5 | 6
Share-based Compensation 6 | 40,000
Share-based Compensation 7 | 280,000
Share-based Compensation 8 | 300,300
Share-based Compensation 9 | $ 16.45
Share-based Compensation 10 | $ 1.59
Share-based Compensation 11 | $ 10.75
Share-based Compensation 12 | 72,000
Share-based Compensation 13 | $ 21.5
Share-based Compensation 14 | 5
Share-based Compensation 15 | 1.59
Share-based Compensation 16 | $ 17.95
Share-based Compensation 17 | 216,000
Share-based Compensation 18 | 34,000
Share-based Compensation 19 | $ 20.9
Share-based Compensation 20 | 5
Share-based Compensation 21 | 1.59
Share-based Compensation 22 | $ 11.80
Share-based Compensation 23 | 6,308
Share-based Compensation 24 | 0
Share-based Compensation 25 | 385,640
Share-based Compensation 26 | $ 14.05
Share-based Compensation 27 | 7
Share-based Compensation 28 | 1.59
Share-based Compensation 29 | $ 12.30
Share-based Compensation 30 | 159,014
Share-based Compensation 31 | 86,582
Share-based Compensation 32 | 237,773
Share-based Compensation 33 | 1.75
Share-based Compensation 34 | 15,000
Share-based Compensation 35 | $ 16.20
Share-based Compensation 36 | 7
Share-based Compensation 37 | 1.59
Share-based Compensation 38 | $ 14.30
Share-based Compensation 39 | 8,709
Share-based Compensation 40 | 0
Share-based Compensation 41 | 20,000
Share-based Compensation 42 | $ 12.15
Share-based Compensation 43 | 7.5
Share-based Compensation 44 | 1.59
Share-based Compensation 45 | $ 7.05
Share-based Compensation 46 | 10,516
Share-based Compensation 47 | 4,510
Share-based Compensation 48 | 4,193
Share-based Compensation 49 | 0.5
Share-based Compensation 50 | 100,000
Share-based Compensation 51 | $ 14.05
Share-based Compensation 52 | 54,074
Share-based Compensation 53 | 29,954
Share-based Compensation 54 | $ 84,742
Share-based Compensation 55 | 1.75

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