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Note 8 - Warranties (Details) - Changes in Warranty Reserve - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Sep. 30, 2015
Jun. 30, 2015
Changes in Warranty Reserve [Abstract]    
Balance at beginning of year $ 7,436 $ 6,941
Balance at end of period 8,176 7,436
Acquisitions and other 0 3
Warranty expense 3,884 11,086
Warranty claims $ (3,144) $ (10,594)