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Income Taxes (Tables)
12 Months Ended
Aug. 31, 2019
Income Tax Disclosure [Abstract]  
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Income tax expense consisted of the following:
(in thousands)
2019
 
2018
 
2017
Current
 
 
 
 
 
Federal
$
16,433

 
$
28,874

 
$
33,125

State
3,138

 
5,215

 
2,937

Total
19,571

 
34,089

 
36,062

Deferred
 
 
 
 
 
Federal
6,395

 
5,123

 
926

State
1,145

 
1,071

 
281

Total
7,540

 
6,194

 
1,207

Provision for income taxes
$
27,111

 
$
40,283

 
$
37,269

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
The following table provides a reconciliation of the U.S. statutory income tax rate to our effective income tax rate:
 
2019
 
2018
 
2017
U.S. federal statutory rate(1)
21.0
 %
 
25.9
 %
 
35.0
 %
State taxes, net of federal benefit
2.9
 %
 
3.0
 %
 
2.8
 %
Impact from Tax Act
 %
 
2.6
 %
 
 %
Domestic production activities deduction
 %
 
(2.2
)%
 
(2.4
)%
Income tax credits
(4.5
)%
 
(0.5
)%
 
(0.6
)%
Tax-free and dividend income
(0.5
)%
 
(0.4
)%
 
(0.7
)%
Uncertain tax position settlements and adjustments
0.9
 %
 
0.1
 %
 
(0.6
)%
Other items
(0.3
)%
 
(0.3
)%
 
0.8
 %
Effective tax provision rate
19.5
 %
 
28.2
 %
 
34.3
 %

(1)
The U.S. federal statutory rate for Fiscal 2018 is a blended rate, which includes the impact of the Tax Act enactment.

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
The tax effects of temporary differences that give rise to deferred income taxes were as follows:
(in thousands)
August 31, 2019
 
August 25, 2018
Warranty reserves
$
10,949

 
$
9,842

Deferred compensation
3,989

 
4,730

Self-insurance reserve
2,617

 
2,601

Stock-based compensation
2,558

 
1,277

Accrued vacation
1,227

 
1,298

Unrecognized tax benefit
444

 
584

Inventory

 
615

Other(1)
3,337

 
1,797

Total deferred tax assets
25,121

 
22,744

Intangibles
28,055

 
21,292

Depreciation
8,192

 
5,909

Inventory
906

 

Total deferred tax liabilities
37,153

 
27,201

Total deferred income tax liabilities, net
$
12,032

 
$
4,457


(1)
At August 31, 2019, other includes $0.6 million and $0.4 million related to federal and state net operating losses, respectively. At August 25, 2018, other includes $1.4 million and $0.1 million related to federal and state net operating losses, respectively. These net operating losses do not expire. We have evaluated all the positive and negative evidence and consider it more likely than not that these carryforwards can be realized.

Summary of Income Tax Contingencies [Table Text Block]
Changes in the unrecognized tax benefits are as follows:

(in thousands)
2019
 
2018
 
2017
Balance at beginning of year
$
1,220

 
$
1,195

 
$
1,710

Gross increases (decreases)-tax positions in a prior year
1,173

 
25

 
(536
)
Gross increases-current year tax positions
429

 

 
21

Balance at end of year
2,822

 
1,220

 
1,195

Accrued interest and penalties
769

 
525

 
411

Total unrecognized tax benefits
$
3,591

 
$
1,745

 
$
1,606