| In millions, except per share items | Mar-31-23 | Dec-31-22 | Sep-30-22 | Jun-30-22 | Mar-31-22 | Dec-31-21 | Sep-30-21 | Jun-30-21 |
| | 8-K | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K |
| Assets | | | | | | | | |
| Current assets | | | | | | | | |
| Cash | 35.2 | 49.8 | 43.1 | 83.7 | 57.0 | 44.8 | 29.5 | 41.5 |
| Trade receivables, net | 80.9 | 55.4 | 46.4 | 51.6 | 49.1 | 21.8 | 41.2 | 49.8 |
| Inventories, net | 185.4 | 185.6 | 182.4 | 157.0 | 164.4 | 152.2 | 138.7 | 116.7 |
| Prepaid expenses and other current assets | 6.8 | 10.8 | | | | | | |
| Total current assets | 308.3 | 301.6 | 281.4 | 298.5 | 277.9 | 231.5 | 218.6 | 212.8 |
| Property, plant and equipment, net | 198.4 | 183.3 | 178.2 | 170.7 | 160.8 | 150.1 | 141.6 | 132.9 |
| Goodwill | 100.6 | 100.7 | 100.4 | 100.8 | 101.3 | 100.8 | 100.8 | 101.0 |
| Other intangible assets, net | 223.2 | 224.9 | 226.5 | 228.3 | 230.1 | 231.7 | 233.5 | 235.4 |
| Deferred tax assets | 42.3 | 40.4 | 41.5 | 42.3 | 42.5 | 44.4 | 47.3 | 48.0 |
| Other assets | 9.4 | 9.7 | 10.2 | 10.7 | 11.3 | 11.7 | 12.2 | 12.7 |
| Total assets | 882.2 | 860.7 | 838.3 | 851.3 | 824.0 | 770.3 | 753.9 | 742.8 |
| |
| Liabilities | | | | | | | | |
| Current liabilities | | | | | | | | |
| Current maturities of long-term obligations | | | | 1.6 | 73.4 | 76.3 | 76.3 | 4.3 |
| Accounts payable | 51.3 | 41.1 | 52.0 | 44.4 | 61.6 | 43.7 | 51.2 | 46.0 |
| Accrued expenses | 90.6 | 85.8 | 81.6 | 87.7 | 83.9 | 77.4 | 71.3 | 77.2 |
| Income taxes and tax distribution payable | | 1.3 | 9.9 | | | | | |
| Payable pursuant to tax receivable agreement, current portion | | 4.0 | 4.0 | 4.0 | | | | 3.8 |
| Total current liabilities | 147.5 | 132.1 | 147.5 | 139.3 | 225.5 | 202.3 | 210.9 | 134.4 |
| Deferred tax liabilities | 27.6 | 27.6 | 27.3 | 27.0 | 28.2 | 28.0 | 27.9 | 27.9 |
| Other liabilities | 10.3 | 10.8 | 11.3 | 11.9 | 12.4 | 13.0 | 15.4 | 15.9 |
| Payable pursuant to tax receivable agreement, less current portion | | 41.6 | 41.6 | 41.6 | 44.4 | | | 44.4 |
| Long-term debt | | 70.2 | 70.1 | 118.1 | 46.4 | 46.7 | 46.9 | 139.0 |
| Total liabilities | 248.9 | 282.3 | 297.9 | 337.8 | 356.8 | 334.4 | 345.5 | 361.6 |
| |
| Commitments and contingencies (See Note 15) | | | | | | | | |
| Stockholders' Equity | | | | | | | | |
| Common Stock, par value $0.01 per share | | | | | | | | |
| Additional paid in capital | 84.8 | 79.2 | 78.2 | 85.3 | 85.6 | 108.8 | 112.1 | 111.3 |
| Accumulated other comprehensive loss | -4.1 | -3.7 | | | | | | |
| Accumulated earnings | 543.1 | 491.2 | 456.1 | 421.2 | 373.3 | 320.4 | 290.5 | 263.6 |
| Total stockholders' equity attributable to Malibu Boats, Inc. | 633.3 | 566.9 | 529.6 | 503.2 | 457.4 | 427.1 | 400.3 | 373.4 |
| Non-controlling interest | | 11.5 | 10.9 | 10.4 | 9.7 | 8.8 | 8.1 | 7.7 |
| Total stockholders’ equity | | 578.4 | 540.4 | 513.6 | 467.1 | 435.9 | 408.5 | 381.2 |
| Total liabilities and stockholders' equity | 882.2 | 860.7 | 838.3 | 851.3 | 824.0 | 770.3 | 753.9 | 742.8 |