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Unrecognized cost of unvested share-based compensation awards.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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

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The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Gross number of share options (or share units) granted during the period.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Number of options outstanding, including both vested and non-vested options.

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Intrinsic value of equity-based compensation awards vested. Excludes stock and unit options.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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

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Note 10 - Share-based Employee Compensation (Details Textual) $ / shares in Units, $ in Millions	3 Months Ended	12 Months Ended
	Jun. 06, 2017 USD ($) $ / shares shares	Jun. 06, 2017 USD ($) $ / shares shares	May 31, 2016 USD ($) shares	Jun. 02, 2015 USD ($) $ / shares
Preferred Stock, Shares Authorized	250,000	250,000
Preferred Stock, Par or Stated Value Per Share \| $ / shares	$ 0.01	$ 0.01
Preferred Stock, Shares Issued	0	0	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value \| $		$ 1.8	$ 1.7	$ 1.9
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value \| $ / shares		$ 1.21		$ 2.27
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross			0
Share-based Compensation Arrangement by Share-based Payment Award Accelerated Compensation Cost \| $		$ 3.6	$ 2.1	$ 7.1
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period		0	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value \| $				0.1
Payroll and Related Costs [Member]
Share-based Compensation Arrangement by Share-based Payment Award Accelerated Compensation Cost \| $		$ 0.4
Other Deferred Liabilities [Member]
Share-based Compensation Arrangement by Share-based Payment Award Accelerated Compensation Cost \| $		$ 0.5	$ 0.2
Restricted Stock Service-based [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period		618,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period		680,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period		45,000
Employee Stock Option [Member]
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized \| $	$ 0.3	$ 0.3
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition		1 year 219 days
Stock Options Services-Based [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross		1,126,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term		2 years 339 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	1,694,000	1,694,000	2,066,000
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Vested \| $		$ 1.8	$ 2.1	$ 5.4
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized \| $	$ 1.0	$ 1.0
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition		1 year 109 days
Phantom Stock Units Service-based [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period		76,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period		652,000
Phantom Stock Units Service-based [Member] \| Chief Executive Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period		81,000
Phantom Stock Units Service-based [Member] \| Senior Executive Team [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period		571,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period		2 years
Phantom Stock Units Performance-based [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period		598,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period		300,000
SIP and 1996 SIP [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	6,420,000	6,420,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	1,694,000	1,694,000
SIP and 1996 SIP [Member] \| Restricted Stock Service-based [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross		879,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period		3 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term		7 years
SIP and 1996 SIP [Member] \| Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	4,726,000	4,726,000
SIP and 1996 SIP [Member] \| Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period		142,000
SIP and 1996 SIP [Member] \| Restricted Stock Units Service-based [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period		319,000
Number Of Annual Installments		3
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period		3 years
SIP and 1996 SIP [Member] \| Phantom Share Units (PSUs) [Member] \| President [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	76,000
SIP and 1996 SIP [Member] \| Phantom Stock Units Performance-based [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period		598,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period		3 years
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period		300,000
SIP [Member] \| Stock Options Services-Based [Member] \| Chief Executive Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period		7 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross		247,000
SIP [Member] \| Restricted Stock [Member] \| Non-employee Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period		219,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period		1 year