Equity Incentive Plan (Restricted Stock And Restricted Stock Unit Grants) (Details) (Restricted Stock Units [Member])	12 Months Ended				9 Months Ended	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2014 Performance-based Award [Member]		Sep. 30, 2014 Performance-based Award [Member] To vest on November 15, 2016, 2017 and 2018 [Member]	Jun. 28, 2014 Performance-based Award [Member] Vest in 3 Substantially Equal Installments on Later of November 15, 2014, November 15, 2015 and November 15, 2016 or Dates Specified by Compensation Committee [Member] [Member] installment	Sep. 30, 2014 Time-based Award [Member] installment
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares, Granted	1,943,000	451,000	[1]	87,000		1,492,000	[2]
Number of equal annual installments					3	3

[1] The performance-based RSUs were granted to employees, including our executive officers. Approximately 87,000 of these RSUs are eligible to vest in three substantially equal installments in November 2016, 2017 and 2018 based on achievement of the applicable performance criteria. Substantially all other performance-based RSUs are eligible to vest in three substantially equal installments in November 2014, 2015 and 2016 to the extent the applicable performance criteria have been achieved. RSUs not earned for a period may be earned in subsequent periods.

[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 generally 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.