Schedule II - Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2019

SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]

Schedule II - Valuation and Qualifying Accounts

SCHEDULE II—VALUATION AND QUALIFYING ACCOUNTS

(in millions)	Balance Beginning of Year		Charged to Expense		Deductions		Balance End of Year
Allowance for doubtful accounts:
2019	$	4.0	$	2.1	$	(1.7)	$	4.4
2018	3.6		3.0		(2.6)		4.0
2017	3.5		1.8		(1.7)		3.6

(in millions)	Balance Beginning of Year		Additions		Deductions		Balance End of Year
Deferred income tax asset valuation allowance:
2019	$	0.2	$	—	$	—	$	0.2
2018	0.2		—		—		0.2
2017	0.4		—		(0.2)		0.2