Note 11 - Commitments and Contingencies (Tables)

12 Months Ended

Aug. 27, 2016

Notes Tables

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

2017	$	8,698
2018		7,168
2019		5,693
2020		4,914
2021		3,822
Thereafter		2,271
Total lease commitments	$	32,566

Schedule of Environmental Liabilities [Table Text Block]

Year ended	August 27, 2016			August 29, 2015
Beginning balance	$	23,307		$	19,846
Costs incurred for which reserves have been provided		(1,417	)		(2,014	)
Insurance proceeds		101			121
Interest accretion		669			603
Changes in discount rates		1,348			224
Revisions in estimates		2,740			4,527
Ending balance	$	26,748		$	23,307

Schedule of Environmental Remediation Liabilities [Table Text Block]

(In thousands)	2017			2018			2019			2020			2021			Thereafter			Total
Estimated costs – current dollars	$	9,673		$	1,859		$	1,492		$	1,284		$	1,172		$	12,390		$	27,870
Estimated insurance proceeds		(173	)		(159	)		(173	)		(159	)		(173	)		(1,128	)		(1,965	)
Net anticipated costs	$	9,500		$	1,700		$	1,319		$	1,125		$	999		$	11,262		$	25,905
Effect of inflation																				7,256
Effect of discounting																				(6,413	)
Balance as of August 27, 2016																			$	26,748