Selected cash flow information - Schedule of Changes in Non-Cash Operating Items (Details) - CAD ($) $ in Millions |
12 Months Ended | ||
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Mar. 29, 2026 |
Mar. 30, 2025 |
Mar. 31, 2024 |
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| Cash Flow Information [Abstract] | |||
| Trade receivables | $ (8.9) | $ (26.4) | $ (12.4) |
| Inventories | 2.2 | 62.0 | 27.2 |
| Other current assets | (1.8) | (2.1) | 2.8 |
| Accounts payable and accrued liabilities | 18.1 | (5.6) | (9.5) |
| Provisions | 9.3 | (6.7) | 5.2 |
| Other | (0.8) | 11.4 | (2.8) |
| Change in non-cash operating items | $ 18.1 | $ 32.6 | $ 10.5 |
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- Definition Cash Flow Information [Abstract] No definition available.
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- References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Adjustments for decrease (increase) in other current assets to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Other current assets; Profit (loss)] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Adjustments for increase (decrease) in trade and other payables to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Trade and other payables; Profit (loss)] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The increase (decrease) in working capital. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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