Note 8 - Employee Post-employment Benefits - Benefits Expected to be Paid in Each of the Next Five Years and in the Aggregate for the Five Years Thereafter (Details) $ in Thousands	Jun. 06, 2017 USD ($)
Pension Plan [Member]
2018	$ 3,716
2019	2,274
2020	2,214
2021	5,212
2022	8,138
2023-2027	11,585
Postretirement Medical and Life Benefits [Member]
2018	123
2019	109
2020	101
2021	103
2022	95
2023-2027	$ 356

Amount of benefits for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following latest fiscal year.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920

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Amount of benefits for defined benefit plan expected to be paid in next fiscal year following latest fiscal year.

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Amount of benefits for defined benefit plan expected to be paid in fifth fiscal year following latest fiscal year.

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Amount of benefits for defined benefit plan expected to be paid in third fiscal year following latest fiscal year.

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Amount of benefits for defined benefit plan expected to be paid in second fiscal year following latest fiscal year.

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