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Note 8 - Warranties (Details) - Changes in Warranty Reserve (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended
Sep. 30, 2014
Jun. 30, 2014
Changes in Warranty Reserve [Abstract]    
Balance at beginning of year $ 6,941 $ 6,782
Acquisitions   274
Warranty expense 1,525 3,937
Warranty claims (1,360) (4,052)
Balance at end of period $ 7,106 $ 6,941