Subsequent Events (Narrative) (Details) (Restricted Stock Units [Member])	12 Months Ended					0 Months Ended
	Sep. 30, 2013	Sep. 30, 2013 Performance-based Award [Member]		Sep. 30, 2013 Time-based Award [Member] installment		Nov. 12, 2013 Time-based Award [Member] Subsequent Event [Member] installment	Nov. 12, 2013 Later Of November 15, 2013 Or Date Determined By Compensation Committee November 15, 2014 And November 15, 2015 [Member] Performance-based Award [Member] Subsequent Event [Member]	Nov. 12, 2013 Later of November 15 or Date Determined By Compensation Committee, in each of 2013, 2014 and 2015 [Member] Performance-based Award [Member] Subsequent Event [Member] installment
Subsequent Event [Line Items]
Shares granted	2,654,000	422,000	[1]	2,232,000	[2]		23,785	316,978
Number of equal annual installments				3		3		3

[1] Of these performance-based RSUs, the performance conditions were achieved for approximately 200 thousand shares, half of which vested in November 2013, with the remainder to vest in two substantially equal installments in November 2014 and 2015. The remaining approximately 200 thousand shares will be eligible to vest in two substantially equal installments on the later of November 15, 2014 and November 15, 2015 and the date the Compensation Committee determines the extent to which performance criteria have been achieved. RSUs not earned for earlier periods are eligible to be earned in 2014 or 2015.

[2] The time-based RSUs were issued to directors and employees, including some of our executive officers. The time-based RSUs issued to employees and executives will vest in three substantially equal annual installments from the date of grant. Substantially all of the time-based RSUs issued to our directors will vest one year from the date of grant.