Derivative Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2012

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Effects of Derivative Instruments on Other Comprehensive Income ('OCI') and earnings

The following table summarizes the effects, net of tax, of derivative instruments designated as hedges on other comprehensive income (“OCI”) and earnings for the year ended December 31:

	Amount of Gain (Loss) Recognized in OCI						Amount of (Gain) Loss Reclassified from Accumulated OCI into Income				Location of Gain (Loss) Reclassified from Accumulated OCI into Income
($ in millions)	2012			2011			2012		2011
Cash Flow Hedges:
Foreign currency hedge contracts	$	(0.2	)	$	(0.3	)	$	—	$	0.3	Net sales
Foreign currency hedge contracts	(0.8		)	—			—		—		Cost of goods and services sold
Interest rate swap contracts	(1.9		)	(4.9		)	2.0		3.2		Interest expense
Forward treasury lock	(2.9		)	—			0.2		—		Interest expense
Total	$	(5.8	)	$	(5.2	)	$	2.2	$	3.5
Net Investment Hedges:
Foreign currency-denominated debt	$	(1.1	)	$	1.3		$	—	$	—	Foreign exchange and other
Total	$	(1.1	)	$	1.3		$	—	$	—