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Earnings Per Share (Tables)

6 Months Ended

Mar. 31, 2018

Earnings Per Share

Reconciliation of Net Earnings to Net Earnings Per Share Basic and Diluted



		Three-Months Ended						Six-Months Ended
		March 31,						March 31,
		2018			2017			2018			2017
Numerator:
Net earnings		$	38,489		$	38,105		$	56,749		$	84,653
Denominator:
Basic shares outstanding			61,401			61,310			61,323			61,436
Dilutive effect of stock options and restricted stock			2,349			2,189			2,407			2,157
Diluted shares outstanding			63,750			63,499			63,730			63,593
Income per common share:
Basic earnings per share		$	0.63		$	0.62		$	0.93		$	1.38
Diluted earnings per share		$	0.60		$	0.60		$	0.89		$	1.33



Anti-dilutive Stock Options Excluded from Computation of Earnings Per Share



		Three-Months Ended						Six-Months Ended
		March 31,						March 31,
		2018			2017			2018			2017
Options			764			67			759			2
Weighted-average option price		$	78.73		$	62.98		$	78.74		$	70.39



Schedule of Treasury Stock Shares Held for Deferred Compensation Included in Basic and Diluted Shares Outstanding



		Three-Months Ended						Six-Months Ended
		March 31,						March 31,
		2018			2017			2018			2017
Weighted-average treasury stock shares held for deferred compensation obligations			200			185			195			175



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- References

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- Definition

Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities.

+ References

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

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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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- Definition

Tabular disclosure of the weighted average number of shares of treasury stock held for deferred compensation determined by relating the portion of time within a reporting period that treasury stock shares held for deferred compensation have been outstanding to the total time in that period. The shares held for deferred compensation are included in basic and diluted shares in the calculation of earnings per share. Treasury stock shares held for deferred compensation shares are shares of company stock, issued to a trust (for example, a 'rabbi trust') set up specifically to accumulate stock or other investments for the purpose of deferring taxable income to participating employees until the stock or other investments are distributed to the participating employees.

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