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Postemployment Benefits (Tables)
6 Months Ended
Dec. 31, 2021
Postemployment Benefits [Abstract]  
Schedule of Changes in Projected Benefit Obligations The components of net periodic postemployment benefit cost applicable to our severance plans were as follows:
Three Months EndedSix Months Ended
 December 31December 31
(Amounts in Thousands)2021202020212020
Service cost$129 $121 $265 $243 
Interest cost13 10 28 21 
Amortization of actuarial income(134)(109)(270)(221)
Net periodic benefit cost $$22 $23 $43