Share-Based Payments (Tables)

12 Months Ended

Sep. 30, 2019

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Schedule of total compensation cost charged against income

The following table presents total compensation cost for all share-based compensation arrangements, and the related income tax benefits recognized in our consolidated statement of earnings (in thousands):

	Fiscal Year Ended September 30,
	2019		2018		2017
Share-based compensation expense	$	9,180	$	10,519	$	10,507
Income tax benefit related to share-based    compensation expense	$	2,357	$	3,013	$	3,918

Summary of activity for performance based unit awards assuming 100% payout

Performance Awards	Number of Shares (in Thousands)			Weighted Average Fair Value Per Share
Unvested at September 30, 2018		349		$	20.88
Granted		230			17.22
Vested		(28	)		22.26
Forfeited		(140	)		20.63
Unvested at September 30, 2019		411		$	18.83

Summary of activity for stock option awards

	Number of Outstanding Options (in Thousands)			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (in Years)		Aggregate Intrinsic Value (in Thousands)
Outstanding at September 30, 2018		5,405		$	23.04		5.4	$	3,161
Granted		948			18.14
Exercised		(152	)		14.34
Forfeited or expired		(1,299	)		24.09
Outstanding at September 30, 2019		4,902		$	22.08		5.8	$	670
Exercisable at September 30, 2019		4,054		$	23.00		5.1	$	670

Schedule of weighted average assumptions for valuation of stock options using the Black-Scholes option pricing model

	Fiscal Year Ended September 30,
	2019			2018			2017
Expected life (in years)		5.0			5.0			5.0
Expected volatility for the Company’s common    stock		30.5	%		27.4	%		25.3	%
Risk-free interest rate		3.0	%		2.1	%		1.3	%
Dividend yield		0.0	%		0.0	%		0.0	%

Restricted Stock Awards

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Summary of the activity for restricted stock awards/units

Restricted Stock Awards	Number of Shares (in Thousands)			Weighted Average Fair Value Per Share
Unvested at September 30, 2018		219		$	16.98
Granted		287			18.14
Vested		(169	)		17.77
Forfeited		(75	)		17.84
Unvested at September 30, 2019		262		$	17.53

Restricted Stock Units

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Summary of the activity for restricted stock awards/units

Restricted Stock Units	Number of Shares (in Thousands)			Weighted Average Fair Value Per Share
Unvested at September 30, 2018		—		$	—
Granted		88			18.14
Vested		(80	)		18.14
Forfeited		(8	)		18.14
Unvested at September 30, 2019		—		$	—