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INVENTORIES
12 Months Ended
Mar. 31, 2022
Inventories [Abstract]  
INVENTORIES INVENTORIES
20222021
Work in progress$291.5 $446.0 
Raw materials, supplies and manufactured products228.3 201.8 
Total inventories$519.8 $647.8 
 
During the year ended March 31, 2022, the use of inventory recognized in cost of sales amounted to $413.9 million (2021 ⁃ $394.9 million), and the impairment of inventories to net realizable value amounted to $5.2 million (2021 – $34.0 million).