Equity Incentive Plan (Value Of Stock Option And Stock-Based Award Activity) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Share-based Compensation, Allocation and Classification in Financial Statements [Abstract]
Total intrinsic value of stock options exercised	$ 6,525	$ 31,746	$ 15,983
Total fair value of restricted stock and restricted stock unit awards vested	$ 48,083	$ 65,574	$ 68,772

Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (d)(2)

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

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration