Investments and Fair Value Measurements (Fair Value Inputs) (Details) - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Thousands	Nov. 28, 2015	Aug. 29, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Domestic equity funds	$ 4,484	$ 4,937
International equity funds	320	493
Fixed income funds	282	284
Total assets at fair value	5,086	5,714
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Domestic equity funds	4,411	4,894
International equity funds	292	477
Fixed income funds	237	251
Total assets at fair value	4,940	5,622
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Domestic equity funds	73	43
International equity funds	28	16
Fixed income funds	45	33
Total assets at fair value	146	92
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Domestic equity funds	0	0
International equity funds	0	0
Fixed income funds	0	0
Total assets at fair value	$ 0	$ 0