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Product Warranties (Schedule Of Changes In Liability For Warranty Costs) (Details) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Product Warranties [Abstract]    
Balance at the beginning of the period $ 19,558 $ 15,043
Warranty accruals for the period 3,802 5,243
Warranty costs incurred for the period (3,677) (2,855)
Foreign currency translation adjustments 273 147
Balance at the end of the period $ 19,956 $ 17,578