Goodwill and Intangible Assets Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 25, 2018	Aug. 26, 2017
Schedule of Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	$ 299,705	$ 253,100
Finite-Lived Intangible Assets, Accumulated Amortization	33,988	24,660
Other intangible assets, net	265,717	228,440
Trade Names [Member]
Schedule of Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	177,250	148,000
Dealer Network [Member]
Schedule of Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	95,581	80,500
Finite-Lived Intangible Assets, Accumulated Amortization	$ 12,328	$ 5,348
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	12 years 2 months	12 years
Order or Production Backlog [Member]
Schedule of Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	$ 19,527	$ 18,000
Finite-Lived Intangible Assets, Accumulated Amortization	$ 19,135	$ 18,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	6 months	6 months
Noncompete Agreements [Member]
Schedule of Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	$ 5,347	$ 4,600
Finite-Lived Intangible Assets, Accumulated Amortization	$ 2,084	$ 1,116
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	4 years 1 month	4 years
Off-Market Favorable Lease [Member]
Schedule of Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	$ 2,000	$ 2,000
Finite-Lived Intangible Assets, Accumulated Amortization	$ 441	$ 196
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	8 years 1 month	8 years 1 month