| In millions, except per share items | Aug-31-23 | Feb-28-23 | Nov-30-22 | Aug-31-22 | May-31-22 | Feb-28-22 | Nov-30-21 | Aug-31-21 |
| | 10-Q | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q |
| Net income | 201.1 | 27.0 | 131.3 | 169.0 | 199.0 | 33.0 | 124.9 | 134.6 |
| Depreciation and amortization [+] | 43.5 | 38.4 | 38.3 | 38.4 | 38.8 | 38.3 | 38.0 | 37.9 |
| Depreciation | 43.5 | 38.4 | 38.3 | 38.4 | 38.8 | 38.3 | 38.0 | 37.9 |
| Change in working capital [+] | -172.6 | -128.9 | -37.5 | -93.0 | 371.7 | 26.0 | 26.8 | -100.2 |
| Accounts receivable | -84.2 | -136.9 | -67.7 | | 347.2 | | | |
| Other | -88.5 | 8.0 | 30.2 | -93.0 | 24.5 | 26.0 | 26.8 | -100.2 |
| Other operating activities | 287.2 | 135.6 | 35.2 | -90.9 | -586.7 | -100.8 | -106.4 | 3.8 |
| Cash from operations | 359.2 | 72.1 | 167.4 | 23.6 | 22.8 | -3.4 | 83.2 | 76.1 |
| |
| Capital expenditures | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Purchases of short-term investments | 16.2 | 2.9 | 3.9 | 6.4 | 1.4 | 4.2 | 3.6 | 5.8 |
| Purchases of short-term investments | 16.2 | 2.9 | 3.9 | 6.4 | 1.4 | 4.2 | 3.6 | 5.8 |
| Other cash from investing | -77.8 | -14.3 | -71.4 | -102.9 | -39.2 | -57.5 | -81.5 | -96.4 |
| Cash from investing | -61.5 | -11.4 | -67.6 | -96.4 | -37.9 | -53.3 | -77.9 | -90.5 |
| |
| Repurchase of common stock, net | -12.5 | -12.5 | | -25.0 | -25.0 | -15.0 | | -12.5 |
| Other cash from financing | -261.8 | -85.0 | -65.6 | 104.7 | 54.5 | 68.9 | -18.8 | 5.3 |
| Cash from financing | -274.3 | -97.5 | -65.6 | 79.7 | 29.5 | 53.9 | -18.8 | -7.2 |
| |
| Free cash flow | 359.2 | 72.1 | 167.4 | 23.6 | 22.8 | -3.4 | 83.2 | 76.1 |
| Per share (diluted) | $2.79 | $0.56 | $1.30 | $0.18 | $0.18 | ($0.03) | $0.65 | $0.59 |
| |
| Cash paid for interest | 32.8 | 31.0 | 27.8 | 24.5 | 23.7 | 17.0 | 23.8 | 17.3 |
| Cash paid for income taxes | 18.1 | 49.7 | 68.2 | 15.8 | 41.4 | 28.0 | 74.8 | 28.0 |