Note 15 - Summary of Long-Lived Assets by Geographic Area (Details) - USD ($) $ in Thousands		Aug. 27, 2016	Aug. 29, 2015
UNITED STATES
Long-lived assets		$ 880,666	$ 831,295
Europe, Canada, Mexico, and Nicaragua [Member]
Long-lived assets	[1]	43,727	40,119
Long-lived assets		$ 924,393	$ 871,414

[1] No country accounts for greater than 10% of total long-lived assets, revenues or income before income taxes