Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 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)	September 30, 2016		Level 1		Level 2		Level 3
Assets:
Deferred compensation assets	$	6.4	$	6.4	$	—	$	—
Foreign currency contracts	0.6		—		0.6		—
	$	7.0	$	6.4	$	0.6	$	—
Liabilities:
Contingent consideration	$	7.8	$	—	$	—	$	7.8
Deferred compensation liabilities	6.8		6.8		—		—
Interest rate swap contract	1.3		—		1.3		—
Foreign currency contracts	0.1		—		0.1		—
	$	16.0	$	6.8	$	1.4	$	7.8

	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:

	Nine Months Ended September 30,
	2016			2015
Beginning balance	$	6.0		$	5.0
Increase in fair value recorded in earnings	1.9			0.8
Payments	(0.1		)	(0.1		)
Ending balance	$	7.8		$	5.7