Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Aug. 26, 2017	Aug. 27, 2016	Aug. 29, 2015
Operating activities:
Net income	$ 71,330,000	$ 45,496,000	$ 41,210,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	7,315,000	5,745,000	4,513,000
Amortization of intangible assets	24,660,000	0	0
Amortization of debt issuance costs	1,596,000	0	0
LIFO expense	1,722,000	1,153,000	1,244,000
Asset impairment	0	0	462,000
Stock-based compensation	2,977,000	3,293,000	3,097,000
Deferred income taxes	8,360,000	2,233,000	215,000
Deferred compensation expense and postretirement income	(23,379,000)	(4,292,000)	(843,000)
Other	(1,257,000)	(935,000)	(909,000)
Change in assets and liabilities:
Inventories	(6,165,000)	(11,510,000)	(561,000)
Receivables, prepaid and other assets	(27,597,000)	1,217,000	2,458,000
Investment in operating leases, net of repurchase obligations	0	0	(72,000)
Income taxes and unrecognized tax benefits	7,045,000	85,000	408,000
Accounts payable and accrued expenses	33,697,000	14,253,000	(1,880,000)
Postretirement and deferred compensation benefits	(3,177,000)	(3,992,000)	(4,159,000)
Net cash provided by operating activities	97,127,000	52,746,000	45,183,000
Investing activities:
Purchases of property and equipment	(13,993,000)	(24,551,000)	(16,573,000)
Proceeds from the sale of property	223,000	18,000	65,000
Acquisition of business, net of cash acquired	392,473,000	0	0
Other	858,000	1,141,000	(9,000)
Net cash used in investing activities	(405,385,000)	(23,392,000)	(16,517,000)
Financing activities:
Payments for repurchases of common stock	(1,530,000)	(3,066,000)	(6,519,000)
Payments of cash dividends	(12,738,000)	(10,891,000)	(9,765,000)
Payments of debt issuance costs	(11,020,000)	0	0
Borrowings on credit facility	366,400,000	0	22,000,000
Repayments of credit facility	(82,400,000)	0	(22,000,000)
Other	(92,000)	(53,000)	53,000
Net cash provided by (used in) financing activities	258,620,000	(14,010,000)	(16,231,000)
Net (decrease) increase in cash and cash equivalents	(49,638,000)	15,344,000	12,435,000
Cash and cash equivalents at beginning of period	85,583,000	70,239,000	57,804,000
Cash and cash equivalents at end of period	35,945,000	85,583,000	70,239,000
Supplemental cash flow disclosure:
Income taxes paid, net	21,421,000	18,449,000	17,658,000
Interest paid	11,893,000	0	10,000
Non-cash transactions:
Issuance of Winnebago common stock for acquisition of business	124,066,000	0	0
Capital expenditures in accounts payable	$ 1,021,000	$ 903,000	$ 0