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Stock-Based Compensation (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 02, 2017	Sep. 03, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 1.6	$ 3.4
Related income tax effect	$ 0.5	$ 1.2
Employee Service Share-based Compensation, Aggregate Disclosures [Abstract]
Stock Options	150,556	191,023
Restricted Stock Units (RSUs)
Employee Service Share-based Compensation, Aggregate Disclosures [Abstract]
Restricted Stock Units	90,671	81,095
Performance Share Units	90,671	81,095
Performance Share Units
Employee Service Share-based Compensation, Aggregate Disclosures [Abstract]
Restricted Stock Units	130,179	113,040
Performance Share Units	130,179	113,040

X

- Definition

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.

+ References

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

The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

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Number of non-option equity instruments exercised by participants.

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Number of share options (or share units) exercised during the current period.

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