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Note 10 - Retirement Benefits (Details) - Net periodic benefit cost (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Sep. 30, 2013
Sep. 30, 2012
United States Pension Plans [Member]
   
Note 10 - Retirement Benefits (Details) - Net periodic benefit cost [Line Items]    
Service cost $ 85 $ 176
Interest cost 2,810 2,735
Expected return on plan assets (3,378) (3,698)
Recognized net actuarial loss 1,172 1,894
Amortization of prior service cost 15 26
Net periodic benefit cost 704 1,133
Foreign Pension Plans [Member]
   
Note 10 - Retirement Benefits (Details) - Net periodic benefit cost [Line Items]    
Service cost 11 10
Interest cost 414 417
Expected return on plan assets (370) (336)
Recognized net actuarial loss 196 226
Amortization of prior service cost   (14)
Net periodic benefit cost $ 251 $ 303