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Product Warranties (Schedule Of Changes In Liability For Warranty Costs) (Details) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Product Warranties [Abstract]    
Balance at the beginning of the period $ 19,227 $ 19,558
Warranty accruals for the period 3,948 3,802
Warranty costs incurred for the period (3,589) (3,677)
Foreign currency translation adjustments (261) 273
Balance at the end of the period $ 19,325 $ 19,956