Fair Value Measurements (Tables)

6 Months Ended

Jun. 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)	June 30, 2016		Level 1		Level 2		Level 3
Assets:
Deferred compensation assets	$	6.4	$	6.4	$	—	$	—
Foreign currency contracts	1.5		—		1.5		—
	$	7.9	$	6.4	$	1.5	$	—
Liabilities:
Contingent consideration	$	7.9	$	—	$	—	$	7.9
Deferred compensation liabilities	6.8		6.8		—		—
Interest rate swap contract	1.7		—		1.7		—
Foreign currency contracts	0.1		—		0.1		—
	$	16.5	$	6.8	$	1.8	$	7.9

	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:

	Six Months Ended June 30,
	2016		2015
Beginning balance	$	6.0	$	5.0
Increase in fair value recorded in earnings	1.9		0.3
Payments	—		(0.1		)
Ending balance	$	7.9	$	5.2