Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 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
	June 30,		Assets		Inputs		Inputs
(in millions)	2013		Level 1		Level 2		Level 3
Cash and cash equivalents	$	168.2	$	168.2	$	—	$	—
Short-term investments	1.1		1.1		—		—
Foreign currency forward contracts	0.2		—		0.2		—
Total assets measured at fair value	$	169.5	$	169.3	$	0.2	$	—
Commodity swap agreements	$	1.6	$	—	$	1.6	$	—
Contingent consideration	10.4		—		—		10.4
Foreign currency forward contracts	0.5		—		0.5		—
Total liabilities measured at fair value	$	12.5	$	—	$	2.1	$	10.4

			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