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Share-Based Compensation (Tables)
 12 Months Ended
Aug. 29, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions
 
The fair value of each option award is estimated on the date of the grant using the Black-Scholes option pricing model which determine inputs as shown in the following table for options granted under the Employee Stock Plan:
 
 
Fiscal Year Ended
 
August 29,
2018
 
August 30,
2017
 
August 31,
2016
 
(In thousands, except percentages)
Dividend yield
0
%
 
0
%
 
0
%
Volatility
34.80
%
 
37.65
%
 
39.64
%
Risk-free interest rate
2.19
%
 
1.99
%
 
1.82
%
Expected life (in years)
5.87

 
5.87

 
5.58
Schedule of Share-based Compensation, Stock Options, Activity
A summary of the Company’s stock option activity for fiscal 2018, 2017, and 2016 is presented in the following table:  
 
 
Shares
Under
Fixed
Options
 
Weighted-
Average
Exercise
Price
 
Weighted-
Average
Remaining
Contractual
Term
 
Aggregate
Intrinsic
Value
 
 
 
 
 
(Years)
 
(In thousands)
Outstanding at August 26, 2015
1,288,099

 
$
4.76

 
6.5

 
$
350

Granted
279,944

 
4.89

 
—

 
—

Exercised
(21,249
)
 
3.51

 
—

 
—

Forfeited
(55,893
)
 
4.80

 
—

 
—

Expired
(9,000
)
 
3.44

 
—

 
—

Outstanding at August 31, 2016
1,169,238

 
$
4.76

 
6.6

 
$
178

Granted
295,869

 
4.26

 
—

 
—

Cancelled
(9,290
)
 
4.49

 
—

 
—

Forfeited
(55,893
)
 
4.80

 
—

 
—

Expired
(37,689
)
 
5.39

 
—

 
—

Outstanding at August 30, 2017
1,345,916

 
$
4.64

 
6.4

 
$
0

Granted
449,410

 
2.82

 
—

 
—

Forfeited
(97,111
)
 
4.02

 
—

 
 
Expired
(44,801
)
 
7.89

 
—

 
—

Outstanding at August 29, 2018
1,653,414

 
$
4.10

 
6.5

 
$
0

Exercisable at August 29, 2018
1,066,103

 
$
4.53

 
5.2

 
$
0
Schedule of Share-based Compensation, Restricted Stock Units Award Activity
A summary of the Company’s restricted stock unit activity during fiscal years is presented in the following table:
 
 
Restricted Stock
Units
 
Weighted
Average
Fair Value
 
Weighted-
Average
Remaining
Contractual Term
 
 
 
(Per share)
 
(In years)
Unvested at August 26, 2015
409,417

 
$
5.98

 
1.6

Granted
172,212

 
4.87

 
—

Vested
(257,482
)
 
6.19

 
—

Forfeited
(9,314
)
 
5.37

 
—

Unvested at August 31, 2016
314,833

 
$
5.23

 
1.9

Granted
200,549

 
4.26

 
—

Vested
(92,058
)
 
6.30

 
—

Forfeited
(18,960
)
 
4.55

 
—

Unvested at August 30, 2017
404,364

 
$
4.54

 
1.8

Granted
244,748

 
2.83

 
—

Vested
(99,495
)
 
4.42

 
—

Forfeited
(32,326
)
 
3.87

 
—

Unvested at August 29, 2018
517,291

 
$
3.79

 
1.8
Schedule of Nonvested Performance-based Units Activity
A summary of the Company’s restricted stock Performance Based Incentive Plan activity during fiscal 2018 is presented in the following table:

 
 Units
 
Weighted Average Fair Value
 
 
 
(Per share)
Unvested at August 30, 2017
—

 
—

Granted
561,177

 
3.33

Vested
(187,883
)
 
2.64

Forfeited
—

 
—

Unvested at August 29, 2018
373,294

 
3.68