XML 49 R12.htm IDEA: XBRL DOCUMENT v3.23.1
Inventories
12 Months Ended
Mar. 31, 2023
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories consist of the following components:
 31 March
(Millions of US dollars)20232022
Finished goods$237.8 $187.3 
Work-in-process23.0 16.2 
Raw materials and supplies93.9 82.1 
Provision for obsolete finished goods and raw materials(10.5)(5.9)
Total inventories$344.2 $279.7