Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2013

Accounting Policies [Abstract]

Summary of Inventories

The following is a summary of inventories at December 31:

($ in millions)	2013		2012
Finished goods	$	80.0	$	70.9
Work in process	24.8		23.6
Raw materials	72.1		67.7
	$	176.9	$	162.2