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Acquisition Pro forma (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Mar. 31, 2016
Mar. 31, 2015
Business Acquisition [Line Items]        
Net sales $ 68,539 $ 64,762 $ 186,285 $ 167,905
Net income 6,507 7,643 16,205 15,608
Net income attributable to Malibu Boats, Inc. $ 5,776 $ 4,365 $ 14,438 $ 9,008
Basic (in dollars per share) $ 0.32 $ 0.28 $ 0.80 $ 0.58
Diluted (in dollars per share) $ 0.32 $ 0.28 $ 0.80 $ 0.58
Pro Forma [Member]        
Business Acquisition [Line Items]        
Net sales $ 68,539 $ 64,762 $ 186,285 $ 173,098
Net income 6,507 7,643 16,205 15,758
Net income attributable to Malibu Boats, Inc. $ 5,776 $ 4,365 $ 14,438 $ 9,111
Basic (in dollars per share) $ 0.32 $ 0.28 $ 0.80 $ 0.59
Diluted (in dollars per share) $ 0.32 $ 0.28 $ 0.80 $ 0.59