Equity Incentive Plan (Restricted Stock And Restricted Stock Unit Grants) (Details) - Restricted Stock Units (RSUs) shares in Thousands	12 Months Ended
Sep. 30, 2015 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted	1,910
Performance-based Award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted	313
Time-based Award [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted	1,597

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(iii)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration