Schedule II - Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2020

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		Change in Accounting Standard		Charged to Expense		Deductions		Balance End of Year
Allowance for doubtful accounts:
2020	$	4.4	$	0.5	$	2.5	$	(2.5)	$	4.9
2019	4.0		—		2.1		(1.7)		4.4
2018	3.6		—		3.0		(2.6)		4.0

(in millions)	Balance Beginning of Year		Additions		Deductions		Balance End of Year
Deferred income tax asset valuation allowance:
2020	$	0.2	$	1.2	$	—	$	1.4
2019	0.2		—		—		0.2
2018	0.2		—		—		0.2