Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2016

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, 2016		Level 1		Level 2		Level 3
Assets:
Deferred compensation assets	$	6.0	$	6.0	$	—	$	—
Foreign currency contracts	0.5		—		0.5		—
	$	6.5	$	6.0	$	0.5	$	—
Liabilities:
Contingent consideration	$	6.2	$	—	$	—	$	6.2
Deferred compensation liabilities	6.4		6.4		—		—
Interest rate swap contract	1.9		—		1.9		—
Foreign currency contracts	1.7		—		1.7		—
	$	16.2	$	6.4	$	3.6	$	6.2

	Balance at		Basis of Fair Value Measurements
($ in millions)	December 31, 2015		Level 1		Level 2		Level 3
Assets:
Deferred compensation assets	$	6.8	$	6.8	$	—	$	—
Foreign currency contracts	0.2		—		0.2		—
	$	7.0	$	6.8	$	0.2	$	—
Liabilities:
Contingent consideration	$	6.0	$	—	$	—	$	6.0
Deferred compensation liabilities	8.8		8.8		—		—
Interest rate swap contract	2.0				2.0
Foreign currency contracts	0.2		—		0.2		—
	$	17.0	$	8.8	$	2.2	$	6.0

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,
	2016		2015
Beginning balance	$	6.0	$	5.0
Increase in fair value recorded in earnings	0.2		0.2
Payments	—		(0.1		)
Ending balance	$	6.2	$	5.1