| Assets | — | — |
| Current assets | — | — |
| Cash and cash equivalents | 281.28a | 200.99a |
| Accounts receivable, less allowance for credit losses of $35,465 and $33,925 as of December 31, 2024 and 2023, respectively | 612.11a | 537.32a |
| Inventories | 1,031.65a | 1,167.48a |
| Prepaid expenses and other assets | 107.14a | 91.9a |
| Total current assets | 2,032.17a | 1,997.69a |
| Property and equipment, net | 690.02a | 598.58a |
| Customer lists, net | 152.74a | 184.51a |
| Patents and technology, net | 379.1a | 417.44a |
| Other intangible assets, net | 20.03a | 27.13a |
| Tradenames, net | 206.66a | 217a |
| Goodwill | 1,436.26a | 1,432.38a |
| Deferred income taxes | 24.13a | 15.53a |
| Operating lease and other assets | 168.22a | 203.05a |
| Total assets | 5,109.33a | 5,093.31a |
| Liabilities and stockholders’ equity | — | — |
| Current liabilities | — | — |
| Short-term borrowings | 55.85a | 81.77a |
| Accounts payable | 458.69a | 340.72a |
| Accrued wages and employee benefits | 81.49a | 54.97a |
| Accrued product warranty | 56.13a | 65.3a |
| Other accrued liabilities | 313.4a | 292.12a |
| Current portion of long-term borrowings and finance lease obligations | 67.6a | 45.9a |
| Total current liabilities | 1,033.15a | 880.77a |
| Long-term borrowings and finance lease obligations | 1,210.78a | 1,447.55a |
| Deferred income taxes | 33.19a | 90.01a |
| Deferred revenue | 193.26a | 167.01a |
| Operating lease and other long-term liabilities | 141.52a | 158.35a |
| Total liabilities | 2,611.89a | 2,743.69a |
| Redeemable noncontrolling interest | 0a | 6.55a |
| Stockholders’ equity | — | — |
| Common stock | 0.74a | 0.73a |
| Additional paid-in capital | 1,133.76a | 1,070.39a |
| Treasury stock, at cost | -1,197a | -1,032.92a |
| Excess purchase price over predecessor basis | -202.12a | -202.12a |
| Retained earnings | 2,844.3a | 2,519.31a |
| Accumulated other comprehensive loss | -85.4a | -15.14a |
| Stockholders’ equity attributable to Generac Holdings Inc. | 2,494.28a | 2,340.25a |
| Noncontrolling interests | 3.17a | 2.82a |
| Total stockholders’ equity | 2,497.44a | 2,343.07a |
| Total liabilities and stockholders’ equity | 5,109.33a | 5,093.31a |