| In millions, except per share items | Sep-30-22 | Jun-24-22 | Mar-25-22 | Dec-24-21 | Sep-30-21 | Jun-25-21 | Mar-26-21 | Dec-25-20 |
| | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q |
| Net income | 220.8 | 254.3 | 233.5 | 204.8 | 202.6 | 175.3 | 124.9 | 85.1 |
| Depreciation and amortization [+] | 23.9 | 20.4 | 20.0 | 20.0 | 20.1 | 20.2 | 19.3 | 19.0 |
| Depreciation | 13.3 | 11.8 | 11.3 | 11.8 | 11.5 | 11.5 | 11.2 | 10.8 |
| Amortization | 10.6 | 8.6 | 8.7 | 8.2 | 8.6 | 8.7 | 8.1 | 8.3 |
| Stock-based compensation | 3.1 | 4.6 | 6.1 | 3.4 | 2.9 | 3.8 | 4.9 | 5.5 |
| Deferred taxes | 15.7 | -8.4 | 1.5 | -5.7 | -61.2 | 13.2 | 3.6 | 1.1 |
| Change in working capital [+] | 148.1 | -71.5 | -200.6 | -135.5 | 103.9 | -51.8 | -63.3 | -52.1 |
| Accounts receivable | 207.1 | -94.3 | -82.7 | -12.3 | -2.1 | -93.3 | -78.9 | -45.4 |
| Inventories | -8.3 | -24.9 | -52.7 | -75.1 | -49.0 | -1.1 | -11.1 | -20.3 |
| Other current assets | -4.5 | -2.7 | -2.9 | -11.6 | 0.6 | -7.3 | 2.9 | -2.7 |
| Accounts payable | -44.6 | -4.0 | 33.0 | -13.3 | 29.1 | 27.2 | 29.1 | 13.1 |
| Accrued expenses | 14.1 | 51.0 | -14.8 | -23.2 | 27.8 | 38.2 | -5.8 | 3.3 |
| Income taxes | -15.8 | 3.4 | -80.4 | | 97.5 | -15.5 | 0.4 | |
| Other operating activities | 3.5 | 11.1 | 3.5 | 10.1 | -14.0 | 4.7 | -22.3 | 27.6 |
| Cash from operations | 415.1 | 210.6 | 64.0 | 97.2 | 254.3 | 165.4 | 67.0 | 86.3 |
| |
| Capital expenditures [+] | -53.8 | -56.6 | -16.0 | -9.4 | -30.2 | -13.9 | -12.1 | -8.2 |
| Purchases of property and equipment | -53.8 | -56.6 | -16.0 | -9.4 | -30.2 | -13.9 | -12.1 | -8.2 |
| Sales of property and equipment | 0.1 | 0.0 | 0.2 | 0.4 | -3.0 | | 2.0 | 1.1 |
| Acquisitions | -52.4 | -219.3 | | -36.1 | | 0.5 | -36.5 | -7.2 |
| Other cash from investing | | | | | 9.6 | 0.0 | 0.0 | 0.0 |
| Cash from investing | -106.1 | -275.9 | -15.8 | -45.0 | -23.7 | -13.4 | -46.7 | -14.3 |
| |
| Repurchase of common stock, net | -103.0 | -135.7 | -156.5 | -129.0 | -22.4 | -74.6 | 3.6 | -39.0 |
| Other cash from financing | | | | | -26.6 | 14.6 | 0.0 | -40.0 |
| Cash from financing | -103.0 | -135.7 | -156.5 | -129.0 | -49.0 | -60.0 | 3.6 | -79.0 |
| |
| Free cash flow | 361.3 | 154.0 | 48.0 | 87.8 | 224.0 | 151.5 | 54.8 | 78.0 |
| Per share (diluted) | $8.16 | $3.53 | $1.06 | $1.89 | $4.74 | $3.20 | $1.15 | $1.64 |
| |