Selected Quarterly Data (unaudited)

12 Months Ended

Dec. 31, 2019


2019	Fourth		Third		Second		First
Revenue	$	787.0	$	771.3	$	781.6	$	731.1
Cost of sales	410.1		360.4		356.0		343.8
Operating expenses⁽¹⁾	253.2		262.2		269.7		245.2
Asset impairment, restructuring, and other special charges	51.6		77.2		31.8		24.9
Interest expense, net of capitalized interest	18.7		18.7		20.7		20.8
Income (loss) before income taxes	(4.3)		(12.5)		50.2		44.8
Income tax (benefit) expense	5.2		(22.5)		14.3		13.3
Net income (loss)	(9.5)		10.0		35.9		31.5
Earnings (loss) per share—basic and diluted	(0.03)		0.03		0.10		0.09


2018	Fourth		Third		Second		First
Revenue	$	799.3	$	761.1	$	770.2	$	736.2
Cost of sales	412.5		369.8		431.5		360.0
Operating expenses⁽¹⁾	246.2		237.9		252.5		245.2
Asset impairment, restructuring, and other special charges	46.0		12.4		68.0		2.4
Interest expense, net of capitalized interest	21.0		8.6		—		—
Income (loss) before income taxes	(2.2)		78.8		(40.0)		77.5
Income tax (benefit) expense	(18.6)		18.6		22.8		4.8
Net income (loss)	16.4		60.2		(62.8)		72.7
Earnings (loss) per share—basic and diluted	0.04		0.20		(0.21)		0.25

⁽¹⁾Includes research and development and marketing, selling, and administrative expenses.

Numbers may not add up to totals for each year due to rounding.