XML 42 R31.htm IDEA: XBRL DOCUMENT v3.20.2
Inventories (Tables)
9 Months Ended
Sep. 30, 2020
Inventory Disclosure [Abstract]  
Components of Inventories

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

 

 

 

September 30,

 

 

December 31,

 

 

 

2020

 

 

2019

 

Raw materials

 

$

249.6

 

 

$

271.5

 

Work in process

 

 

14.0

 

 

 

11.0

 

Finished goods

 

 

191.0

 

 

 

207.7

 

Supplies and materials

 

 

323.0

 

 

 

303.9

 

Inventories

 

$

777.6

 

 

$

794.1