Share-based Compensation (Narrative) (Details) (USD $)	6 Months Ended
	Mar. 31, 2014 Y
Share-based Compensation 1	800,000
Share-based Compensation 2	1,600,000
Share-based Compensation 3	385,640
Share-based Compensation 4	$ 14.05
Share-based Compensation 5	7
Share-based Compensation 6	$ 3
Share-based Compensation 7	$ 14.05
Share-based Compensation 8	$ 12.30
Share-based Compensation 9	70,241
Share-based Compensation 10	21,174
Share-based Compensation 11	156,823
Share-based Compensation 12	54,106
Share-based Compensation 13	11,042
Share-based Compensation 14	0.5
Share-based Compensation 15	20,000
Share-based Compensation 16	$ 12.15
Share-based Compensation 17	7.5
Share-based Compensation 18	3
Share-based Compensation 19	$ 12.15
Share-based Compensation 20	$ 7.05
Share-based Compensation 21	2,820
Share-based Compensation 22	0
Share-based Compensation 23	7,330
Share-based Compensation 24	0
Share-based Compensation 25	100,000
Share-based Compensation 26	$ 14.05
Share-based Compensation 27	24,278
Share-based Compensation 28	7,887
Share-based Compensation 29	54,232
Share-based Compensation 30	18,976
Share-based Compensation 31	$ 4,624
Share-based Compensation 32	0.5