Note 12 - Employee Benefit and Retirement Plans - Future Pension and Other Benefits Payments (Details) $ in Thousands	Jun. 30, 2017 USD ($)
Pension Plan [Member]
2018	$ 6,874
2019	7,132
2020	7,368
2021	7,611
2022	7,986
2023-2027	43,702
Other Benefits [Member]
2018	370
2019	362
2020	367
2021	373
2022	381
2023-2027	$ 1,937

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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