Summary of Significant Accounting Policies (Details) - USD ($)			12 Months Ended
	Nov. 07, 2019	Aug. 21, 2019	Aug. 27, 2022	Aug. 28, 2021	Aug. 29, 2020	Jan. 07, 2022	Sep. 24, 2020	Jul. 06, 2017
Entity Information
Credit loss charges on accounts receivable			$ 100,000	$ 600,000	$ 500,000
Allowance for doubtful accounts			1,200,000	1,100,000
Reserve for credit loss on note receivable			1,000,000
Note receivable from SimplyProtein Sale							$ 3,000,000
Allowance for Credit Loss, Period Increase (Decrease)			$ 500,000	500,000
Reserve for inventory four to six months from expiration			50.00%
Reserve for inventory within three months of expiration			100.00%
Finished goods			$ 116,047,000	91,893,000
Raw materials			10,870,000	6,007,000
Reserve for obsolete inventory			(1,438,000)	(631,000)
Inventories			125,479,000	97,269,000
Impairment of property and equipment			0
Goodwill impairment charges			0
Impairment, Intangible Asset, Indefinite-Lived (Excluding Goodwill)					Loss on impairment
Shares, Issued						4,830,761
CustomerTradeAllowance			23,900,000	22,300,000
Cost of goods sold			723,117,000	595,847,000	$ 492,313,000
Advertising expense			84,300,000	74,900,000	55,300,000
Prepaid advertising			2,000,000	1,600,000
Research and development expenses			4,100,000	3,500,000	4,000,000
Defined contribution plan expense			$ 1,100,000	$ 1,400,000	$ 1,300,000
Private Warrants
Entity Information
Outstanding warrant issued (in shares)			0	6,700,000	6,700,000
Warrant price per share (in dollars per share)				$ 11.50	$ 11.50			$ 11.50
Shipping and Handling
Entity Information
Cost of goods sold			$ 91,700,000	$ 66,500,000	$ 49,800,000
Furniture and fixtures
Entity Information
Estimated useful lives			7 years
Computer equipment, software and website development | Minimum
Entity Information
Estimated useful lives			3 years
Computer equipment, software and website development | Maximum
Entity Information
Estimated useful lives			5 years
Machinery and equipment
Entity Information
Estimated useful lives			7 years
Office equipment | Minimum
Entity Information
Estimated useful lives			3 years
Office equipment | Maximum
Entity Information
Estimated useful lives			5 years
Acquisition of Quest
Entity Information
Agreement date of Quest Acquisition		Aug. 21, 2019
Effective date of Quest Acquisition	Nov. 07, 2019
Quest Acquisition gross consideration	$ 988,900,000