| In millions, except per share items | Jun-30-22 | Jun-30-21 | Jun-30-20 | Jun-30-19 | Jun-05-19 | Jun-30-18 | Jun-30-17 | Jun-30-16 |
| | 10-K | 10-K | 10-K | 10-K | 8-K | 10-K | 10-K | 10-K |
| Net sales | 1,214.9 | 926.5 | 653.2 | 684.0 | 684.0 | 497.0 | 281.9 | 253.0 |
| Net sales growth | 31.1% | 41.9% | -4.5% | 37.6% | | 76.3% | 11.5% | 10.6% |
| Cost of sales | 904.8 | 690.0 | 503.9 | 517.7 | | 376.7 | 206.9 | 186.1 |
| Gross profit | 310.1 | 236.5 | 149.3 | 166.3 | 166.3 | 120.3 | 75.0 | 66.8 |
| Gross margin | 25.5% | 25.5% | 22.9% | 24.3% | 24.3% | 24.2% | 26.6% | |
| |
| Operating expenses: | | | | | | | | |
| Selling and marketing | 22.9 | 17.5 | 17.9 | 17.9 | 17.9 | 13.7 | 8.6 | 7.5 |
| General and administrative | 66.4 | 61.9 | 39.9 | 44.3 | 44.3 | 31.4 | 24.8 | 21.3 |
| Amortization | 7.0 | 7.3 | 6.1 | 6.0 | 6.0 | 5.2 | 2.2 | 2.2 |
| Operating income | 213.8 | 149.8 | 85.3 | 98.1 | 98.1 | 70.1 | 39.4 | 35.9 |
| Operating margin | 17.6% | 16.2% | 13.1% | 14.3% | 14.3% | 14.1% | 14.0% | |
| |
| Other expense, net: | | | | | | | | |
| Other expense (income), net | 1.0 | -1.0 | -2.3 | | | | | |
| Interest expense | 2.9 | 2.5 | 3.9 | -6.5 | -6.5 | -5.4 | -1.6 | |
| Other expense, net | | | | -6.3 | 6.3 | -5.4 | -1.6 | -3.8 |
| Income before provision for income taxes | 210.0 | 148.3 | 83.7 | 91.8 | | 89.4 | 48.7 | 32.1 |
| Provision for income taxes | 46.5 | 34.0 | 19.1 | 22.1 | 22.1 | 58.4 | 17.6 | 11.8 |
| Net income | 163.4 | 114.3 | 64.7 | 69.7 | | 31.0 | 31.1 | 20.3 |
| Net income attributable to non-controlling interest | 5.8 | 4.4 | 3.1 | 3.6 | 3.6 | 3.4 | 2.7 | 2.3 |
| Net income attributable to Malibu Boats, Inc. | 157.6 | 109.8 | 61.6 | 66.1 | 69.7 | 27.6 | 28.4 | 18.0 |
| |
| Comprehensive income: | | | | | | | | |
| Net income | 163.4 | 114.3 | 64.7 | 69.7 | | 31.0 | 31.1 | 20.3 |
| |
| Other comprehensive income (loss): | | | | | | | | |
| Change in cumulative translation adjustment | -1.9 | 1.5 | -0.3 | -0.8 | | -0.6 | 0.5 | -0.4 |
| |
| Other comprehensive income (loss) | | | | | | | | |
| Comprehensive income | | | | | | | | |
| Less: comprehensive income attributable to non-controlling interest | | | | | | | | |
| Comprehensive income attributable to Malibu Boats, Inc. | 155.8 | 111.3 | 61.3 | 65.3 | | 27.0 | 28.8 | 17.7 |
| |
| Weighted-average shares outstanding used in computing net income per share: | | | | | | | | |
| Basic (in shares) | 20.7 | 20.8 | 20.7 | 20.8 | | 20.2 | 17.8 | 17.9 |
| Diluted (in shares) | 21.0 | 21.0 | 20.9 | 21.0 | | 20.3 | 18.0 | 18.0 |
| |
| Net income available to Class A Common Stock per share: | | | | | | | | |
| Basic (in dollars per share) | $7.60 | $5.29 | $2.98 | $3.17 | | $1.37 | $1.59 | $1.01 |
| Diluted (in dollars per share) | $7.51 | $5.23 | $2.95 | $3.15 | | $1.36 | $1.58 | $1.00 |