XML 41 R29.htm IDEA: XBRL DOCUMENT v3.5.0.2
Inventories (Tables)
 9 Months Ended
Sep. 30, 2016
Inventory Disclosure [Abstract]  
Schedule of Inventories by Major Class
The following schedule details inventories by major class ($ in millions):
 
September 30,
2016
 
December 31,
2015
Raw materials
$
39.5

 
$
45.2

Work in process
21.0

 
17.3

Finished goods
40.4

 
36.1

Supplies and other
10.0

 
13.8

Total
$
110.9

 
$
112.4