Earnings (Loss) Per Share (Tables)

9 Months Ended

Sep. 27, 2024

Earnings Per Share [Abstract]

Schedule of earnings per share, basic and diluted

The table below presents the computation of basic and diluted earnings per share ($ and shares in millions, except per share amounts):

	Three Months Ended				Nine Months Ended
	September 27, 2024		September 29, 2023		September 27, 2024		September 29, 2023
Numerator:
Net income (loss)	$	8.2	$	21.5	$	(1,119.8)	$	117.2
Denominator:
Weighted-average common shares outstanding used in basic earnings per share	172.2		168.2		172.1		165.3
Incremental common shares from:
Assumed exercise of dilutive options and vesting of dilutive restricted stock units and performance stock units	0.7		2.1		—		2.4
Assumed conversion of 2025 Convertible Notes	—		4.9		—		8.6
Weighted average common shares outstanding used in diluted earnings per share	172.9		175.2		172.1		176.3
Earnings (loss) per share:
Earnings (loss) - basic	$	0.05	$	0.13	$	(6.51)	$	0.71
Earnings (loss) - diluted	$	0.05	$	0.12	$	(6.51)	$	0.66

Schedule of antidilutive securities excluded from computation of earnings per share

The following table presents the number of outstanding securities not included in the computation of diluted income per share, because their effect was anti-dilutive (in millions):

	Three Months Ended		Nine Months Ended
	September 27, 2024	September 29, 2023	September 27, 2024	September 29, 2023
Stock-based awards	7.0	1.9	6.6	2.0