Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2020

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)	December 31, 2020		Level 1		Level 2		Level 3
Assets:
Deferred compensation assets	$	12.8	$	12.8	$	—	$	—
Foreign currency contracts	3.0		—		3.0		—
Commodity call options	0.3		—		0.3		—
	$	16.1	$	12.8	$	3.3	$	—
Liabilities:
Contingent consideration	$	3.6	$	—	$	—	$	3.6
Deferred compensation liabilities	14.5		14.5		—		—
Cross-currency swap	5.6		—		5.6		—
Foreign currency contracts	9.7		—		9.7		—
	$	33.4	$	14.5	$	15.3	$	3.6

	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

Schedule 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, 2018	$	1.7
Increase in fair value recorded in earnings	2.1
Payments	(0.5)
Balance, December 31, 2019	3.3
Increase in fair value recorded in earnings	1.2
Payments	(0.9)
Balance, December 31, 2020	$	3.6