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Note 12 - Retirement Benefits (Tables)
3 Months Ended
Sep. 30, 2020
Notes Tables  
Schedule of Defined Benefit Plan Contributions [Table Text Block]
             
  Three Months Ended  Remaining 
  September 30,  Contributions 

Contributions to defined benefit plans

 

2020

  

2019

  Fiscal 2021 
United States, funded plan $-  $-  $9,523 
United States, unfunded plan  52   56   159 
United Kingdom  -   184   - 
Germany, unfunded plan  -   -   285 
Ireland  -   -   67 
  $52  $240  $10,034 
Pension Plan [Member]  
Notes Tables  
Schedule of Net Benefit Costs [Table Text Block]
  

U.S. Plans

  

Non-U.S. Plans

 
  

Three Months Ended

  

Three Months Ended

 
  

September 30,

  

September 30,

 
  

2020

  

2019

  

2020

  

2019

 
Service cost $1  $1  $54  $10 
Interest cost  1,860   2,271   176   205 
Expected return on plan assets  (3,253)  (3,288)  (153)  (211)
Recognized net actuarial loss  1,483   1,275   184   158 

Amortization of prior service cost

  -   -   (1)  - 

Net periodic benefit cost

 $91  $259  $260  $162