Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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- Definition

Number of shares of equity interests issued or issuable to acquire entity.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-SubTopic 30
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- Definition

Aggregate dividends paid during the period for each share of common stock outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
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Aggregate dividends declared during the period for each share of common stock outstanding.

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Gross number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP). Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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- Definition

Number of shares issued under the Grand Design acquisition that were sold in the period,

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- Definition

Disclosure of components of stockholders' equity which may include share-based compensation, dividends, or share repurchases.

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Shareholders' Equity (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions							3 Months Ended				9 Months Ended
	Jul. 05, 2018	Apr. 25, 2018	Jan. 24, 2018	Nov. 29, 2017	Apr. 11, 2017	Nov. 08, 2016	May 26, 2018	Nov. 25, 2017	May 27, 2017	Nov. 26, 2016	May 26, 2018	May 27, 2017
Shareholders Equity [Line Items]
Stock-based compensation expense							$ 1.4		$ 0.7		$ 5.0	$ 2.2
Dividends paid per common share (in dollars per share)			$ 0.10	$ 0.10			$ 0.10		$ 0.10		$ 0.30	$ 0.30
Dividends declared per common share (in dollars per share)		$ 0.10
Oct 18 2017 Grant [Member] \| Management [Member] \| Restricted Stock [Member]
Shareholders Equity [Line Items]
Issuance of stock (in shares)								62,660
Oct 11 2016 Grant [Member] \| Management [Member] \| Restricted Stock [Member]
Shareholders Equity [Line Items]
Issuance of stock (in shares)										97,600
Grand Design [Member]
Shareholders Equity [Line Items]
Shares issued for acquisition						4,586,555
Acquisition shares sold					2,293,277
Subsequent Event [Member]
Shareholders Equity [Line Items]
Dividends declared per common share (in dollars per share)	$ 0.10