Note 12 - Fair Value Measurements (Tables)
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3 Months Ended |
Aug. 30, 2016 |
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| Notes Tables |
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| Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] |
| | | Level | | | August 30, 2016 | | | May 31, 2016 | | Deferred compensation plan – Assets | | | 1 | | | $ | 6,743 | | | $ | 6,660 | | Deferred compensation plan – Liabilities | | | 1 | | | | | ) | | | (6,660 | ) | |
| Fair Value Measurements, Nonrecurring [Table Text Block] |
| | | | | | | | | | | | | | Fair Value Measurements | | | | | | Level | | | August 30, 2016 | | | | Long-lived assets held for use | | | 2 | | | $ | 1,195 | | | | Long-lived assets held for sale | | | 2 | | | | 695 | | | | Total | | | | | | $ | 1,890 | | | |
| Schedule of Gains and Losses Recognized from Fair Value Measurements on Non-Recurring Basis [Table Text Block] |
| | | Thirteen weeks ended | | | | | August 30, 2016 | | September 1, 2015 | | Long-lived assets held for use | | $ | 4,266 | | | $ | 2,485 | | | | Long-lived assets held for sale | | | 2,314 | | | | 92 | | | | | Property impairments | | $ | 6,580 | | | $ | 2,577 | | | | |
| Fair Value, by Balance Sheet Grouping [Table Text Block] |
| | | August 30, 2016 | | | May 31, 2016 | | | | | Carrying Amount | | | Fair Value | | | Carrying Amount | | | Fair Value | | | Long-term debt (Level 2) | | $ | 223,286 | | | $ | 218,762 | | | $ | 223,526 | | | $ | 223,212 | | |