Stock-Based Compensation (Tables)

3 Months Ended

Dec. 01, 2018

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule Of Stock-Based Compensation Expense

	Thirteen Weeks Ended
	December 1,		December 2,
	2018		2017
Stock options	$	1,205	$	1,194
Restricted share awards		532		902
Restricted stock units		2,365		1,754
Associate Stock Purchase Plan		72		44
Total		4,174		3,894
Deferred income tax benefit		(1,048)		(1,480)
Stock-based compensation expense, net	$	3,126	$	2,414

Schedule Of Option Grant Fair Value Assumptions

	Thirteen Weeks Ended
	December 1,		December 2,
	2018		2017
Expected life (in years)	4.0		4.0
Risk-free interest rate	2.98	%	1.87	%
Expected volatility	23.13	%	22.13	%
Expected dividend yield	2.70	%	2.30	%
Weighted-average grant-date fair value	$14.05		$12.25

Summary Of Stock Option Activity

	Options	Weighted-Average Exercise Price per Share		Weighted-Average Remaining Contractual Term (in years)	Aggregate Intrinsic Value
Outstanding on September 1, 2018	1,760	$	72.96
Granted	398		83.21
Exercised	(118)		79.27
Canceled/Forfeited	(2)		79.35
Outstanding on December 1, 2018	2,038	$	74.59	4.8	$	28,534
Exercisable on December 1, 2018	973	$	72.33	3.7	$	15,819

Restricted Share Awards [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Summary Of Non-Vested Restricted Share Award Activity

	Shares	Weighted-Average  Grant-Date Fair Value
Non-vested restricted share awards at September 1, 2018	63	$	81.98
Granted	—		—
Vested	(38)		82.44
Canceled/Forfeited	—		—
Non-vested restricted share awards at December 1, 2018	25	$	81.27

Restricted Stock Units [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Summary Of Non-Vested Restricted Stock Unit Award Activity

	Shares	Weighted-Average  Grant-Date Fair Value
Non-vested restricted stock unit awards at September 1, 2018	377	$	73.18
Granted	151		83.21
Vested	(87)		69.66
Canceled/Forfeited	(5)		76.40
Non-vested restricted stock unit awards at December 1, 2018	436	$	77.31