Note 12 - Fair Value Measurements - Losses Recognized from Fair Value Measurement on Non-recurring Basis (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Nov. 29, 2016
Dec. 01, 2015
Nov. 29, 2016
Dec. 01, 2015
Long-lived asset impairments     $ 20,145 $ 10,403
Closure and Impairments [Member]        
Long-lived assets held for use $ 10,822 $ 5,957 15,016 8,442
Long-lived assets held for sale 426 258 2,812 350
Lime Fresh trademark 1,999 1,999
Long-lived asset impairments $ 11,248 $ 8,214 $ 17,828 $ 10,791