CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2023 |
Jun. 30, 2022 |
Jun. 30, 2023 |
Jun. 30, 2022 |
|
| Earnings Per Share, Diluted [Abstract] | ||||
| Revenues | $ 368.9 | $ 308.5 | $ 887.1 | $ 1,137.7 |
| Cost of sales | 283.9 | 234.6 | 698.7 | 902.9 |
| Selling, General and Administrative Expense | 26.4 | 24.1 | 71.3 | 69.9 |
| Equity in earnings of unconsolidated ventures | 0.0 | 0.0 | 0.0 | (1.1) |
| Gain on sale of assets | 0.0 | (2.7) | (1.6) | (3.2) |
| Interest and other income | (3.8) | (0.2) | (7.5) | (0.2) |
| Income before income taxes | 62.4 | 52.7 | 126.2 | 169.4 |
| Income tax expense | 15.6 | 13.0 | 31.7 | 41.4 |
| Net income | $ 46.8 | $ 39.7 | $ 94.5 | $ 128.0 |
| Basic net income per common share | $ 0.94 | $ 0.80 | $ 1.89 | $ 2.57 |
| Weighted average number of common shares | 50,056,126 | 49,879,394 | 49,963,326 | 49,794,566 |
| Diluted net income per common share | $ 0.93 | $ 0.80 | $ 1.89 | $ 2.57 |
| Adjusted weighted average number of common shares | 50,175,794 | 49,893,640 | 50,028,451 | 49,834,891 |