Note 10 - Retirement Benefits (Details) - Net Periodic Benefit Cost (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
United States Pension Plans [Member]
Note 10 - Retirement Benefits (Details) - Net Periodic Benefit Cost [Line Items]
Service cost	$ 49	$ 176	$ 183	$ 527
Interest cost	2,810	2,735	8,430	8,206
Expected return on plan assets	(3,378)	(3,698)	(10,134)	(11,093)
Recognized net actuarial loss	923	1,894	3,018	5,683
Amortization of prior service cost	14	26	43	76
Net periodic benefit cost	418	1,133	1,540	3,399
Foreign Pension Plans [Member]
Note 10 - Retirement Benefits (Details) - Net Periodic Benefit Cost [Line Items]
Service cost	12	11	35	31
Interest cost	438	416	1,282	1,258
Expected return on plan assets	(391)	(333)	(1,143)	(1,012)
Recognized net actuarial loss	208	224	608	681
Amortization of prior service cost		(15)		(43)
Net periodic benefit cost	$ 267	$ 303	$ 782	$ 915