XML 75 R34.htm IDEA: XBRL DOCUMENT v3.21.1
Property, Plant and Equipment (Tables)
12 Months Ended
Mar. 31, 2021
Property, Plant and Equipment [Abstract]  
Components of Property, Plant and Equipment
Property, plant and equipment consist of the following components:
 31 March
(Millions of US dollars)20212020
Land$85.2 $79.0 
Buildings512.8 432.5 
Machinery and equipment1,775.5 1,511.4 
Construction in progress91.8 267.6 
Property, plant and equipment, at cost2,465.3 2,290.5 
Less accumulated depreciation(1,093.0)(948.8)
Property, plant and equipment, Net$1,372.3 $1,341.7 
Summary of Impairment Charges The following table summarizes the impairment charges:
 Years Ended 31 March
(Millions of US dollars)202120202019
North America Fiber Cement$2.0 $44.0 $3.0 
Asia Pacific Fiber Cement 15.0 — 
Europe Building Products 5.5 — 
Other Businesses — 6.1 
$2.0 $64.5 $9.1