Subsequent Events (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended			0 Months Ended		12 Months Ended	0 Months Ended	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012	Nov. 17, 2014 Subsequent Event [Member]	Nov. 10, 2014 Performance-based Award [Member] Subsequent Event [Member] Restricted Stock Units [Member]	Sep. 30, 2014 Time-based Award [Member] Restricted Stock Units [Member] installment	Nov. 10, 2014 Time-based Award [Member] Subsequent Event [Member] Restricted Stock Units [Member]	Sep. 30, 2014 Vest in Equal Annual Installments on November 15, 2015, 2016 and 2017 [Member]	Sep. 30, 2014 November 15, 2015 [Member]
Subsequent Event [Line Items]
Stock Units To Be Issued					522		866	757	109
Number of equal annual installments						3
Proceeds from Lines of Credit	$ 1,386,250	$ 0	$ 230,000	$ 35,000