Business Segments Business Segments (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Feb. 23, 2019 USD ($)	Feb. 24, 2018 USD ($)	Feb. 23, 2019 USD ($) reportable_segments	Feb. 24, 2018 USD ($)	Aug. 25, 2018 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | reportable_segments			2
Net revenues	$ 432,690	$ 468,359	$ 926,338	$ 918,380
Purchases of property and equipment	10,595	6,318	23,366	11,675
Assets	1,078,136		1,078,136		$ 1,051,805
Net income	21,598	22,088	43,759	40,046
Interest expense	4,346	4,918	8,847	9,699
Provision for income taxes	3,166	8,234	9,892	16,794
Depreciation	3,099	2,198	6,268	4,328
Amortization of intangible assets	2,267	1,933	4,926	3,988
EBITDA	34,476	39,371	73,692	74,855
Acquisition-related costs	0	0	0	50
Restructuring expenses	219	0	219	0
Non-operating income	(207)	11	(970)	(112)
Adjusted EBITDA	34,488	39,382	72,941	74,793
Motorhome [Member]
Segment Reporting Information [Line Items]
Net revenues	164,662	199,081	345,990	387,278
Purchases of property and equipment	2,198	1,633	5,390	4,740
Assets	324,627		324,627		322,048
Adjusted EBITDA	4,359	5,687	16,335	10,587
Towable [Member]
Segment Reporting Information [Line Items]
Net revenues	250,691	266,358	543,524	526,023
Purchases of property and equipment	7,648	4,685	16,525	6,935
Assets	647,504		647,504		626,588
Adjusted EBITDA	33,638	36,296	64,466	69,688
Corporate All Other [Member]
Segment Reporting Information [Line Items]
Net revenues	17,337	2,920	36,824	5,079
Purchases of property and equipment	749	0	1,451	0
Assets	106,005		106,005		$ 103,169
Adjusted EBITDA	$ (3,509)	$ (2,601)	$ (7,860)	$ (5,482)