Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

Goodwill and Other Intangible Assets (Tables)

v3.25.1
Goodwill and Other Intangible Assets (Tables)
 12 Months Ended
Mar. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Rollforward of Goodwill
The following are the changes in the carrying value of goodwill:
(Millions of US dollars) Europe Building Products
Balance - 31 March 2023
 $ 194.9 
Foreign exchange impact (2.3)
Balance - 31 March 2024
 $ 192.6 
Foreign exchange impact 1.1 
Balance - 31 March 2025
 $ 193.7 
Schedule of Indefinite-Lived Intangible Assets
The following are the net carrying amount of indefinite lived intangible assets other than goodwill:
  31 March
(Millions of US dollars) 2025 2024
Trade names $ 111.6  $ 111.0 
Other 7.4  7.4 
Total $ 119.0  $ 118.4 
Schedule of Finite-Lived Intangible Assets
The following are the net carrying amount of amortizable intangible assets:
31 March 2025
(Millions of US dollars) Gross Carrying Amount Accumulated Amortization Net Carrying Amount
Customer Relationships $ 47.5  $ (20.9) $ 26.6 
Total $ 47.5  $ (20.9) $ 26.6 
31 March 2024
(Millions of US dollars) Gross Carrying Amount Accumulated Amortization Net Carrying Amount
Customer Relationships $ 47.3  $ (16.5) $ 30.8 
Total $ 47.3  $ (16.5) $ 30.8 
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense
At 31 March 2025, the estimated future amortization of intangible assets is as follows:
Years ended 31 March (Millions of US dollars):
2026 $ 4.6 
2027 4.9 
2028 5.0 
2029 4.6 
2030 4.3