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OTHER (GAINS) AND LOSSES (Tables)
12 Months Ended
Mar. 31, 2024
Analysis of income and expense [abstract]  
Schedule of other gains and losses
20242023
Impairment of technology and other non-financial assets $35.7 $— 
Net gain on foreign currency exchange differences(2.4)(12.6)
Remeasurement of royalty obligations(6.1)(7.4)
Remeasurement of contingent consideration arising on business combinations 2.6 
Settlement gain on annuity purchase transaction (Note 20)
(5.2)— 
Other5.9 (5.0)
Other (gains) and losses$27.9 $(22.4)