Restructuring Charges (Tables)

3 Months Ended

Mar. 31, 2013

Restructuring Cost And Reserve [Line Items]

Restructuring and restructuring-related charges of actual costs

The following table displays the planned restructuring and restructuring-related charges associated with the realignment, as well as a summary of the actual costs incurred through March 31, 2013:

($ in millions)                    December 2012 Plan	Planned Costs		Actual incurred through March 31, 2013
Workforce reduction	$	1.7	$	1.8
Asset impairment charge		1.1		1.1
Other charge		0.3		0.4
Restructuring and impairment charges	$	3.1	$	3.3
Inventory write-down	$	0.5	$	0.5
Equipment relocation		0.1		0.3
Other charges		0.4		0.1
Restructuring-related charges	$	1.0	$	0.9
Total restructuring and restructuring-related charges		4.1		4.2

Restructuring reserve activity

The following table displays the restructuring reserve activity related to the realignment for the period ended December 31, 2012:

($ in millions)                    December 2012 Plan
Restructuring liability at January 1, 2013	$	1.6
Restructuring and restructuring-related charges, excluding asset impairments and write-offs		0.8
Cost paid		(2.0	)
Restructuring liability at March 31, 2013	$	0.4