Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2019

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, 2019		Level 1		Level 2		Level 3
Assets:
Deferred compensation assets	$	9.2	$	9.2	$	—	$	—
Foreign currency contracts	17.7		—		17.7		—
Commodity call options	0.2		—		0.2		—
	$	27.1	$	9.2	$	17.9	$	—
Liabilities:
Contingent consideration	$	1.7	$	—	$	—	$	1.7
Deferred compensation liabilities	10.5		10.5		—		—
Foreign currency contracts	0.8		—		0.8		—
	$	13.0	$	10.5	$	0.8	$	1.7

	Balance at		Basis of Fair Value Measurements
($ in millions)	December 31, 2018		Level 1		Level 2		Level 3
Assets:
Deferred compensation assets	$	8.7	$	8.7	$	—	$	—
Foreign currency contracts	6.5		—		6.5		—
	$	15.2	$	8.7	$	6.5	$	—
Liabilities:
Contingent consideration	$	1.7	$	—	$	—	$	1.7
Deferred compensation liabilities	9.8		9.8		—		—
Foreign currency contracts	0.2		—		0.2		—
	$	11.7	$	9.8	$	0.2	$	1.7

Summary of Changes in Level 3 Fair Value Measurements

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

	($ in millions)
Balance, December 31, 2017	$	4.9
Decrease in fair value recorded in earnings	(2.6		)
Payments	(0.6		)
Balance, December 31, 2018	1.7
Increase in fair value recorded in earnings	0.2
Payments	(0.2		)
Balance, March 31, 2019	$	1.7