Earnings (loss) per common share (Tables)

6 Months Ended

Jun. 30, 2026

The following table presents the calculation of basic and diluted earnings (loss) per common share:


	Three Months Ended June 30,				Six Months Ended June 30,
	2026		2025		2026		2025
Numerator:
Net income (loss)	$	(180.2)	$	(12.0)	$	(173.4)	$	56.0


Denominator:
Weighted-average number of shares outstanding-basic	51.6		54.2		51.7		54.3
Dilutive securities - equity awards	—		—		—		2.4

Weighted-average number of shares outstanding-diluted	51.6		54.2		51.7		56.7
Earnings (loss) per common share - basic	$	(3.49)	$	(0.22)	$	(3.35)	$	1.03
Earnings (loss) per common share - diluted	$	(3.49)	$	(0.22)	$	(3.35)	$	0.99
Anti-dilutive securities	6.9		7.1		5.3		4.6