Note 6 - Pension and Post-retirement Benefits (Details Textual) - USD ($) $ in Thousands	6 Months Ended
	Dec. 31, 2016	Dec. 20, 2015
Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year	$ 3,000
United States Pension Plan of US Entity [Member]
Other Comprehensive Income (Loss), Finalization of Pension and Other Postretirement Benefit Plan Valuation, before Tax	$ 6,900
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate	4.31%	3.77%
Defined Benefit Plan, Curtailments	$ 4,170
Defined Benefit Plan, Contributions by Employer	1,900
UK Plan [Member]
Defined Benefit Plan, Contributions by Employer	$ 500