Note 10 - Employee Post-Employment Benefits (Details) - Pension Plans with Benefit Obligations in Excess of Plan Assets (USD $) In Thousands, unless otherwise specified	Jun. 03, 2014	Jun. 04, 2013
Pension Benefits [Member]
Note 10 - Employee Post-Employment Benefits (Details) - Pension Plans with Benefit Obligations in Excess of Plan Assets [Line Items]
Projected benefit obligation	$ 42,774	$ 40,308
Accumulated benefit obligation	42,002	39,515
Fair value of plan assets	7,020	6,506
Postretirement Medical and Life Benefits [Member]
Note 10 - Employee Post-Employment Benefits (Details) - Pension Plans with Benefit Obligations in Excess of Plan Assets [Line Items]
Projected benefit obligation	1,376	1,896
Accumulated benefit obligation	$ 1,376	$ 1,896