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Stock-Based Compensation - Schedule of Performance-based Stock Units (PSU) Activity (Details) - Performance Share Units - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	May. 30, 2015	May. 31, 2014	Jun. 01, 2013
Share Units
Outstanding at May 31, 2014	210,196
Granted	151,785
Forfeited	(5,075)
Outstanding at May 30, 2015	356,906	210,196
Ending vested expected to vest	349,664
Weighted Average Grant-Date Fair Value
Outstanding, at beginning of year (in usd per share)	$ 26.64
Granted	32.71	$ 31.66	$ 17.10
Forfeited	32.22
Outstanding, at end of year (in usd per share)	$ 29.17	$ 26.64
Aggregate Intrinsic Value
Aggregate intrinsic value (in millions of usd)	$ 9.9	$ 6.6
Ending vested expected to vest	$ 9.7
Weighted-Average Remaining Contractual Term
Weighted average remaining contractual term (in years)	1 year 4 months 2 days	1 year 9 months 18 days

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested and Expected to Vest

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Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested and Expected to Vest, Aggregate Intrinsic Value

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Share Units

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Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Total Intrinsic Value

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 718



-SubTopic 10



-Section 50



-Paragraph 2



-Subparagraph (c)(1)(iv)(3)



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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

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Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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