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
|
|
|