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Product Warranties (Schedule Of Changes In Liability For Warranty Costs) (Details) - USD ($)
$ in Thousands
6 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Product Warranties [Abstract]    
Balance at the beginning of the period $ 19,558 $ 15,043
Warranty accruals for the period 8,375 8,851
Warranty costs incurred for the period (7,493) (6,125)
Foreign currency translation adjustments 423 (855)
Balance at the end of the period $ 20,863 $ 16,914