Contingent Liabilites and Commitments (Schedule of Repurchased Activity) (Details) $ in Thousands	12 Months Ended
	Aug. 25, 2018 USD ($) Recreational_vehicles	Aug. 26, 2017 USD ($) Recreational_vehicles	Aug. 27, 2016 USD ($) Recreational_vehicles
Commitments and Contingencies Disclosure [Abstract]
Inventory repurchased, units (in recreation vehicles) | Recreational_vehicles	56	14	29
Inventory repurchased, dollars | $	$ 1,716	$ 408	$ 1,605
Inventory resold, units (in recreation vehicles) | Recreational_vehicles	56	15	28
Inventory resold, cash collected | $	$ 1,585	$ 393	$ 1,510
Inventory resold, loss recognized | $	$ 132	$ 44	$ 95
Units in ending inventory (in recreation vehicles) | Recreational_vehicles	0	0	1