Schedule II - Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2023


($ in millions)	Balance at beginning of period		Charged to costs and expenses		Deductions (1)		Balance at end of period
For the year ended December 31, 2023
Allowances deducted from assets:
Deferred tax asset valuation allowance	$	13.3	$	2.2	$	—	$	15.5
Allowance for credit losses	0.2		2.3		(1.7)		0.8
Total allowances deducted from assets	$	13.5	$	4.5	$	(1.7)	$	16.3

For the year ended December 31, 2022
Allowances deducted from assets:
Deferred tax asset valuation allowance	$	12.2	$	1.1	$	—	$	13.3
Allowance for credit losses	0.4		0.3		(0.5)		0.2
Total allowances deducted from assets	$	12.6	$	1.4	$	(0.5)	$	13.5

For the year ended December 31, 2021
Allowances deducted from assets:
Deferred tax asset valuation allowance	$	15.1	$	(2.9)	$	—	$	12.2
Allowance for credit losses	1.1		(0.7)		—		0.4
Total allowances deducted from assets	$	16.2	$	(3.6)	$	—	$	12.6

(1)Includes accounts receivable written off, the write-off or write-down of valuation allowances, and translation adjustments.