Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2019

Fair Value Disclosures [Abstract]

Schedule of Assets and Liabilities 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)	December 31, 2019		Level 1		Level 2		Level 3
Assets:
Deferred compensation assets	$	11.3	$	11.3	$	—	$	—
Foreign currency contracts	7.7		—		7.7		—
Commodity call options	0.1		—		0.1		—
	$	19.1	$	11.3	$	7.8	$	—
Liabilities:
Contingent consideration	$	3.3	$	—	$	—	$	3.3
Deferred compensation liabilities	12.8		12.8		—		—
Cross-currency swap	1.4		—		1.4		—
Foreign currency contracts	0.3		—		0.3		—
	$	17.8	$	12.8	$	1.7	$	3.3

	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	2.1
Payments	(0.5)
Balance, December 31, 2019	$	3.3