| In millions, except per share items | Aug-31-23 | Nov-30-22 | Aug-31-22 | May-31-22 | Feb-28-22 | Nov-30-21 | Aug-31-21 | May-31-21 |
| | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K |
| Cash used in operating activities: | | | | | | | | |
| Net (loss) income | | -532.8 | -465.3 | -434.1 | 57.3 | -253.8 | -348.9 | -336.0 |
| Adjustments for: | | | | | | | | |
| Deferred income tax recovery | | -29.3 | -1.9 | -27.5 | -6.7 | 0.1 | -31.8 | -24.9 |
| Unrealized foreign exchange (gain) loss | | 26.8 | 14.8 | 18.0 | 31.1 | 36.2 | 46.9 | 49.3 |
| Loss (gain) on sale of capital assets | | 1.3 | -0.6 | -0.7 | -2.2 | -1.3 | -1.5 | -1.5 |
| Other non-cash items | | -5.2 | -7.7 | -9.6 | 4.5 | 6.9 | 3.3 | 3.0 |
| Stock-based compensation | | 38.5 | 41.1 | 36.0 | 33.0 | 26.7 | 18.6 | 17.4 |
| Loss on long-term investments & equity investments | | 4.6 | 5.0 | 4.9 | -5.0 | 2.3 | 1.6 | 1.6 |
| Loss on derivative instruments | | | | | | | | |
| Change in fair value of contingent consideration | | | -43.6 | -43.0 | -27.4 | 1.7 | 0.8 | |
| Change in non-cash working capital: | | | | | | | | |
| Accounts receivable | | 4.0 | 6.8 | 0.0 | 16.6 | 31.3 | 11.8 | 0.0 |
| Prepaids and other current assets | | -1.5 | -27.6 | 0.0 | -1.0 | 4.4 | 6.1 | |
| Inventory | | 1.6 | -5.2 | 0.0 | -0.7 | 21.8 | 3.7 | 0.0 |
| Net cash used in operating activities | | -84.0 | -130.3 | -177.3 | -148.5 | -101.4 | -81.8 | -44.7 |
| |
| Cash used in investing activities: | | | | | | | | |
| Investment in capital and intangible assets, net | | -17.7 | -20.7 | -34.1 | -33.4 | -32.9 | -41.2 | -38.9 |
| Proceeds from disposal of capital and intangible assets | | 6.1 | 6.0 | 12.2 | 11.5 | 8.3 | 14.3 | 6.6 |
| Purchase of marketable securities, net | | -243.2 | | | | | | |
| Net cash acquired from business acquisitions | | -24.0 | | | 352.7 | | | 66.6 |
| Net cash used in investing activities | | -278.9 | -14.5 | -21.5 | 332.6 | 325.1 | 51.2 | 46.1 |
| |
| Cash provided by (used in) financing activities: | | | | | | | | |
| Share capital issued, net of cash issuance costs | | | 129.6 | | | | | |
| Proceeds from long-term debt and convertible debt | | | 1.3 | | | | | |
| Repayment of long-term debt and convertible debt | | -64.6 | -26.0 | | | -20.8 | | |
| Net cash provided by (used in) financing activities | | 222.6 | 259.8 | 128.2 | -96.5 | -9.7 | 109.5 | 124.3 |
| Effect of foreign exchange on cash and cash equivalents | | -2.1 | -1.5 | | | -2.7 | | |