Income Taxes (Tables)

12 Months Ended

Aug. 25, 2012

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

The components of the (benefit) provision for income taxes are as follows:

	Year Ended
(In thousands)	August 25, 2012			August 27, 2011			August 28, 2010
Current
Federal	$	468		$	588		$	(7,694	)
State	(584		)	(564		)	(3,255		)
Total current tax provision (benefit)	(116		)	24			(10,949		)
Deferred
Federal	(33,218		)	62			1,260
State	(1,531		)	8			184
Total deferred tax (benefit) provision	(34,749		)	70			1,444
Total tax (benefit) provision	$	(34,865	)	$	94		$	(9,505	)

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

The following is a reconciliation of the US statutory income tax rate to our effective tax rate:

	Year Ended
(A percentage)	August 25, 2012		August 27, 2011		August 28, 2010
US federal statutory rate	34.0	%	34.0	%	35.0	%
State taxes, net of federal benefit	2.5	%	2.1	%	4.2	%
Tax-free and dividend income	(9.7	)%	(8.4	)%	(136.5	)%
Income tax credits	(1.7	)%	(4.6	)%	—	%
Domestic production activities deduction	(1.1	)%	(1.3	)%	—	%
Other permanent items	4.8	%	(0.1	)%	187.2	%
Valuation allowance	(372.8	)%	(16.8	)%	(735.3	)%
Uncertain tax positions settlements and adjustments	(1.6	)%	(4.1	)%	(430.6	)%
Amended state returns	0.6	%	—	%	(193.4	)%
Other	—	%	—	%	(11.6	)%
Effective tax (benefit) provision rate	(345.0	)%	0.8	%	(1,281.0	)%

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

Significant items comprising ournet deferred tax assets are as follows:

	August 25, 2012			August 27, 2011
(In thousands)	Total			Total
Current
Warranty reserves	$	2,759		$	2,588
Self-insurance reserve	1,556			1,204
Accrued vacation	1,595			1,625
Inventory	186			669
Deferred compensation	1,215			1,022
Miscellaneous reserves	1,142			1,349
Total current	8,453			8,457
Noncurrent
Postretirement health care benefits	16,508			15,087
Deferred compensation	12,416			13,493
Tax credits and NOL carryforwards	2,750			2,755
Unrecognized tax benefit	1,416			1,625
Depreciation	(2,037		)	(2,426		)
Other	1,036			908
Total noncurrent	32,089			31,442
Total gross deferred tax assets	40,542			39,899
Valuation allowance	(1,569		)	(39,250		)
Total deferred tax assets	$	38,973		$	649

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

Changes in the unrecognized tax benefits are as follows:

(In thousands)	Fiscal 2012			Fiscal 2011			Fiscal 2010
Unrecognized tax benefits - beginning balance	$	(5,387	)	$	(5,877	)	$	(9,012	)
Gross increases - tax positions in a prior period	—			—			(254		)
Gross decreases - tax positions in a prior period	599			490			2,900			(1)
Gross increases - current period tax positions	(440		)	—			(57		)
Settlements	—			—			546			(2)
Unrecognized tax benefits - ending balance	$	(5,228	)	$	(5,387	)	$	(5,877	)
Accrued interest and penalties (included in unrecognized tax benefits)	$	(2,180	)	$	(2,398	)	$	(2,509	)