v3.24.1.1.u2
Financial instruments and fair values - Narrative (Details)
¥ in Millions
 12 Months Ended
Mar. 31, 2024
JPY (¥)
Mar. 31, 2024
CAD ($)
Apr. 02, 2023
JPY (¥)
Apr. 02, 2023
CAD ($)
Contingent consideration included in other long-term liabilities        
Disclosure of fair value measurement of assets and liabilities [Line Items]        
Gains (losses) recognised in profit or loss excluding exchange differences, fair value measurement, liabilities ¥ (327.0) $ (900,000) ¥ 301.2 $ 3,200,000
Gains (losses) recognised in profit or loss on exchange differences, fair value measurement, liabilities   (1,900,000)   $ (300,000)
Cash flow forecasts, term (in years)     4 years 4 years
Put option liability included in other long-term liabilities        
Disclosure of fair value measurement of assets and liabilities [Line Items]        
Gains (losses) recognised in profit or loss excluding exchange differences, fair value measurement, liabilities ¥ (129.3) 2,700,000 ¥ (1,079.9) $ (10,900,000)
Gains (losses) recognised in profit or loss on exchange differences, fair value measurement, liabilities   $ (4,300,000)   $ (100,000)
Cash flow forecasts, term (in years) 10 years 10 years