Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2015

Fair Value Disclosures [Abstract]

Schedule of Assets and Liabilities Measured at Fair Value

The following tables present the assets and liabilities recorded at fair value on a recurring basis:

	Balance at		Basis of Fair Value Measurements
($ in millions)	March 31, 2015		Level 1		Level 2		Level 3
Assets:
Deferred compensation assets	$	6.6	$	6.6	$	—	$	—
Foreign currency contracts	4.4		—		4.4		—
	$	11.0	$	6.6	$	4.4	$	—
Liabilities:
Contingent consideration	$	5.1	$	—	$	—	$	5.1
Deferred compensation liabilities	9.0		9.0		—		—
Interest rate swap contracts	3.2		—		3.2		—
	$	17.3	$	9.0	$	3.2	$	5.1

	Balance at		Basis of Fair Value Measurements
($ in millions)	December 31, 2014		Level 1		Level 2		Level 3
Assets:
Deferred compensation assets	$	6.6	$	6.6	$	—	$	—
Foreign currency contracts	0.2		—		0.2		—
	$	6.8	$	6.6	$	0.2	$	—
Liabilities:
Contingent consideration	$	5.0	$	—	$	—	$	5.0
Deferred compensation liabilities	8.7		8.7		—		—
Interest rate swap contracts	3.6		—		3.6		—
	$	17.3	$	8.7	$	3.6	$	5.0

Summary of Changes in Level 3 Fair Value Measurements

The following table provides a summary of changes in our Level 3 fair value measurements:

	Three Months Ended March 31,
	2015			2014
Beginning Balance	$	5.0		$	4.3
Increase in fair value recorded in earnings	0.2			0.4
Payments	(0.1		)	—
Ending Balance	$	5.1		$	4.7