XML 42 R32.htm IDEA: XBRL DOCUMENT v3.22.1
Inventories (Tables)
3 Months Ended
Mar. 31, 2022
Inventory Disclosure [Abstract]  
Components of Inventories

The components of inventories were as follows (dollars in millions):

 

 

 

March 31,

 

 

December 31,

 

 

 

2022

 

 

2021

 

Raw materials

 

$

354.1

 

 

$

324.2

 

Work in process

 

 

16.7

 

 

 

16.2

 

Finished goods

 

 

201.1

 

 

 

201.0

 

Supplies and materials

 

 

369.3

 

 

 

361.1

 

Inventories

 

$

941.2

 

 

$

902.5