Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2013

Fair Value Measurements

Schedule of assets and liabilities measured at fair value on a recurring basis

				Quoted Prices
				In Active		Significant
				Markets for		Other			Significant
	Balance at			Identical		Observable			Unobservable
	March 31,			Assets		Inputs			Inputs
(in millions)	2013			Level 1		Level 2			Level 3
Cash and cash equivalents	$	116.0		$	116.0	$	—		$	—
Short-term investments	1.0			1.0		—			—
Commodity swap agreements	(0.4		)	—		(0.4		)	—
Foreign currency forward contracts	0.7			—		0.7			—
Total assets measured at fair value	$	117.3		$	117.0	$	0.3		$	—
Contingent consideration	$	10.0		$	—	$	—		$	10.0
Total liabilities measured at fair value	$	10.0		$	—	$	—		$	10.0

			Quoted Prices
			In Active		Significant
			Markets for		Other		Significant
	Balance at		Identical		Observable		Unobservable
	December 31,		Assets		Inputs		Inputs
(in millions)	2012		Level 1		Level 2		Level 3
Cash and cash equivalents	$	112.5	$	112.5	$	—	$	—
Short-term investments	0.6		0.6		—		—
Commodity swap agreements	0.1		—		0.1		—
Foreign currency forward contracts	0.3		—		0.3		—
Total assets measured at fair value	$	113.5	$	113.1	$	0.4	$	—
Contingent consideration	$	9.9	$	—	$	—	$	9.9
Total liabilities measured at fair value	$	9.9	$	—	$	—	$	9.9