Associate Benefit Plans (Tables)

12 Months Ended

Sep. 02, 2017

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

Schedule Of Stock-Based Compensation Expense

	For the Fiscal Years Ended
	September 2,		September 3,		August 29,
	2017		2016		2015
Stock options	$	4,369	$	4,382	$	4,614
Restricted share awards		4,399		6,112		8,139
Restricted stock units		4,872		3,205		1,105
Associate Stock Purchase Plan		285		286		337
Total		13,925		13,985		14,195
Deferred income tax benefit		(5,292)		(5,206)		(5,266)
Stock-based compensation expense, net	$	8,633	$	8,779	$	8,929

Schedule Of Option Grant Fair Value Assumptions

		2017			2016			2015
Expected life (in years)		4.1			3.9			3.9
Risk-free interest rate		1.16	%		1.09	%		1.09	%
Expected volatility		20.5	%		21.8	%		24.5	%
Expected dividend yield		2.40	%		2.40	%		1.70	%
Weighted-Average Grant-Date Fair Value	$	9.29		$	8.03		$	14.06

Summary Of Stock Option Activity

	2017
	Shares	Weighted-Average Exercise Price
Outstanding - beginning of year	1,645	$	69.86
Granted	537		71.33
Exercised	(399)		67.36
Canceled/Forfeited	(40)		70.20
Outstanding - end of year	1,743	$	70.88
Exercisable - end of year	585	$	74.23

Summary Of Stock Options By Range Of Exercise Price

Range of Exercise Prices	Number of Options Outstanding at September 2, 2017	Weighted-Average Remaining Contractual Life	Weighted-Average Exercise Price		Intrinsic Value		Number of Options Exercisable at September 2, 2017	Weighted-Average Remaining Contractual Life	Weighted-Average Exercise Price		Intrinsic Value
$  58.90 – $ 66.69	554	4.8	$	59.61	$	5,296	147	3.8	$	61.58	$	1,111
66.70 –    71.33	650	5.4		70.96		—	128	2.1		69.46		—
71.34 –    81.76	236	3.1		81.57		—	171	3.1		81.51		—
81.77 –    83.03	303	4.1		83.02		—	139	4.1		83.03		—
	1,743	4.7	$	70.88	$	5,296	585	3.3	$	74.23	$	1,111

Restricted Share Awards [Member]

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

Summary Of Non-Vested Restricted Share Award Activity

	2017
	Shares		Weighted-Average Grant-Date Fair Value
Non-vested restricted share awards at the beginning of the year	265	$	78.58
Granted	—		-
Vested	(98)		75.24
Canceled/Forfeited	(7)		81.07
Non-vested restricted share awards at the end of the year	160	$	80.49

Restricted Stock Units [Member]

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

Summary Of Non-Vested Restricted Stock Unit Award Activity

	2017
	Shares		Weighted-Average Grant-Date Fair Value
Non-vested restricted stock unit awards at the beginning of the year	198	$	58.98
Granted	174		73.33
Vested	(45)		59.15
Canceled/Forfeited	(14)		65.21
Non-vested restricted stock unit awards at the end of the year	313	$	66.66