Contingent Liabilites and Commitments (Schedule of Repurchased Activity) (Details) $ in Thousands	12 Months Ended
	Aug. 26, 2017 USD ($) Recreational_vehicles	Aug. 27, 2016 USD ($) Recreational_vehicles	Aug. 29, 2015 USD ($) Recreational_vehicles
Commitments and Contingencies Disclosure [Abstract]
Inventory repurchased, units (in recreation vehicles) | Recreational_vehicles	14	29	62
Inventory repurchased, dollars | $	$ 408	$ 1,605	$ 7,472
Inventory resold, units (in recreation vehicles) | Recreational_vehicles	15	28	62
Inventory resold, cash collected | $	$ 393	$ 1,510	$ 6,409
Inventory resold, loss recognized | $	$ 44	$ 95	$ 1,063
Units in ending inventory (in recreation vehicles) | Recreational_vehicles	0	1	1