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Schedule II - Valuation and Qualifying Accounts (Tables)

12 Months Ended

Dec. 31, 2020

(In millions)	*2020*			*2019*			*2018*
Allowance for doubtful accounts:
Balance at beginning of year	$	3.6		$	2.5		$	2.4
Charged to costs and expenses		2.2			2.5			0.4
Reclassification⁽¹⁾		—			0.5			0.8
Charged to other accounts⁽²⁾		—			—			(0.2	)
Deductions⁽³⁾		(1.2	)		(1.9	)		(0.9	)
Balance at end of year	$	4.6		$	3.6		$	2.5
Sales returns reserve:
Balance at beginning of year	$	1.2		$	1.3		$	0.8
Charged to costs and expenses		0.2			0.1			0.7
Deductions⁽³⁾		(0.4	)		(0.2	)		(0.2	)
Balance at end of year	$	1.0		$	1.2		$	1.3
Allowance for excess and obsolete inventories:
Balance at beginning of year	$	9.8		$	5.6		$	4.1
Charged to costs and expenses		4.4			4.6			1.9
Charged to other accounts⁽²⁾		0.2			—			(0.1	)
Deductions⁽⁴⁾		(0.8	)		(0.4	)		(0.3	)
Balance at end of year	$	13.6		$	9.8		$	5.6
Valuation allowance for deferred tax assets:
Balance at beginning of year	$	6.2		$	11.5		$	9.7
Charged to costs and expenses		0.9			(5.2	)		2.4
Charged to other accounts⁽²⁾		0.4			(0.1	)		(0.6	)
Balance at end of year	$	7.5		$	6.2		$	11.5