Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011
Consolidated Statements of Comprehensive Income
Net earnings	$ 261,151	$ 233,064	$ 213,725
Other comprehensive income (loss):
Foreign currency translation adjustments	835	8,272	(7,952)
Deferred gain on interest rate swaps		6,450	9,080
Total other comprehensive income (loss), before tax	835	14,722	1,128
Income taxes related to other comprehensive income (loss)		(2,704)	(3,523)
Other comprehensive income (loss), net of tax	835	12,018	(2,395)
Total comprehensive income	$ 261,986	$ 245,082	$ 211,330

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Other Comprehensive Income

-URI http://asc.fasb.org/extlink&oid=6519514

Reference 2: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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-URI http://asc.fasb.org/extlink&oid=16317811

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

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

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