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Derivatives, Investments and Fair Value Measurements (Fair Value Inputs) (Details) - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Thousands	Feb. 24, 2018	Aug. 26, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Domestic equity funds	$ 1,580	$ 1,708
International equity funds	176	174
Fixed income funds	176	259
Interest rate swap contract, assets	1,924
Interest rate swap contract, liabilities		828
Total assets (liabilities) at fair value	3,856	1,313
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Domestic equity funds	1,546	1,671
International equity funds	157	157
Fixed income funds	83	170
Interest rate swap contract, assets	0
Interest rate swap contract, liabilities		0
Total assets (liabilities) at fair value	1,786	1,998
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Domestic equity funds	34	37
International equity funds	19	17
Fixed income funds	93	89
Interest rate swap contract, assets	1,924
Interest rate swap contract, liabilities		828
Total assets (liabilities) at fair value	2,070	(685)
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
Interest rate swap contract, assets	0
Interest rate swap contract, liabilities		0
Total assets (liabilities) at fair value	$ 0	$ 0

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- Definition

Fair value as of the balance sheet date of interest rate derivative assets, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13433-108611

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13433-108611

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