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Earnings Per Share (Tables)

12 Months Ended

Sep. 30, 2015

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per share:

		Year Ended September 30,
		2015				2014				2013
Numerator:
Numerator for basic and diluted earnings per share		$	441,596			$	422,122			$	412,439
Denominator:
Denominator for basic earnings per share — weighted average number of shares outstanding			152,832				159,012				161,330
Effect of assumed conversion of 0.50% convertible notes			14				20				24
Effect of dilutive stock options granted			2,372				2,334				1,764
Denominator for dilutive earnings per share — adjusted weighted average shares and assumed conversions			155,218				161,366				163,118
Basic earnings per share		$	2.89			$	2.65			$	2.56
Diluted earnings per share		$	2.85			$	2.62			$	2.53

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- References

No definition available.

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- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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