Note 10 - Employee Post-Employment Benefits (Details) - Changes in the Amounts Recognized in Accumulated Other Comprehensive Income/(Loss) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 03, 2014	Jun. 04, 2013
Pension Benefits [Member]
Note 10 - Employee Post-Employment Benefits (Details) - Changes in the Amounts Recognized in Accumulated Other Comprehensive Income/(Loss) [Line Items]
Prior service cost	$ 0	$ 0
Net actuarial loss/(gain)	2,379	(915)
Amortization of prior service cost	(1)	(106)
Amortization of actuarial gain	(1,711)	(4,740)
Total recognized in accumulated other comprehensive income	667	(5,761)
Total recognized in net periodic benefit cost and accumulated other comprehensive income	4,028	1,236
Postretirement Medical and Life Benefits [Member]
Note 10 - Employee Post-Employment Benefits (Details) - Changes in the Amounts Recognized in Accumulated Other Comprehensive Income/(Loss) [Line Items]
Prior service cost	0	0
Net actuarial loss/(gain)	(514)	426
Amortization of prior service cost	46	56
Amortization of actuarial gain	(244)	(214)
Total recognized in accumulated other comprehensive income	(712)	268
Total recognized in net periodic benefit cost and accumulated other comprehensive income	$ (434)	$ 497