Investments and Fair Value Measurements (Tables)

6 Months Ended

Feb. 28, 2015

Fair Value Disclosures [Abstract]

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

The following tables set forth by level within the fair value hierarchy our financial assets that were accounted for at fair value on a recurring basis at February 28, 2015 and August 30, 2014 according to the valuation techniques we used to determine their fair values:

			Fair Value Measurements Using Inputs Considered As
(In thousands)	Fair Value at February 28, 2015		Level 1 Quoted Prices in Active Markets for Identical Assets		Level 2 Significant Other Observable Inputs		Level 3 Significant Unobservable Inputs
Assets that fund deferred compensation:
Domestic equity funds	$	5,117	$	5,117	$	—	$	—
International equity funds	514		514		—		—
Fixed income funds	247		247		—		—
Total assets at fair value	$	5,878	$	5,878	$	—	$	—

			Fair Value Measurements Using Inputs Considered As
(In thousands)	Fair Value at August 30, 2014		Level 1 Quoted Prices in Active Markets for Identical Assets		Level 2 Significant Other Observable Inputs		Level 3 Significant Unobservable Inputs
Assets that fund deferred compensation:
Domestic equity funds	$	5,465	$	5,465	$	—	$	—
International equity funds	716		716		—		—
Fixed income funds	242		242		—		—
Total assets at fair value	$	6,423	$	6,423	$	—	$	—

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

The following table provides a reconciliation between the beginning and ending balances of items measured at fair value on a recurring basis in the table above that used significant unobservable inputs (Level 3):

	Three Months Ended				Six Months Ended
(In thousands)	February 28, 2015		March 1, 2014		February 28, 2015		March 1, 2014
Balance at beginning of period	$	—	$	—	$	—	$	2,108
Net change included in other comprehensive income	—		—		—		242
Sales	—		—		—		(2,350		)
Balance at end of period	$	—	$	—	$	—	$	—