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Note 8 - Warranties - Changes in Warranty Reserve (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Sep. 30, 2017
Jun. 30, 2017
Balance at beginning of year $ 9,243 $ 9,085
Acquisitions and other 8 301
Warranty expense 1,570 9,203
Warranty claims (1,350) (9,346)
Balance at end of period $ 9,471 $ 9,243