Net Loss Per Share (Tables)

6 Months Ended

Jun. 27, 2025

Earnings Per Share [Abstract]

Summary of Basic and Diluted Net Income Per Share

The table below presents the calculation of basic and diluted loss per share:

	Three Months Ended				Six Months Ended
(In millions, except share amounts)	June 27, 2025		June 28, 2024		June 27, 2025		June 28, 2024
Numerator:
Net income (loss) attributable to UCT	$	(162.0)	$	19.1	$	(167.0)	$	9.7
Denominator:
Shares used in computation — basic:
Basic weighted average common shares outstanding	45.2		44.9		45.2		44.7
Shares used in computation — diluted:
Weighted average common shares outstanding	45.2		44.9		45.2		44.7
Effect of potential dilutive securities:
Employee stock plans	—		0.5		—		0.6
Diluted weighted average common shares outstanding	45.2		45.4		45.2		45.3
Net income (loss) per share attributable to UCT:
Basic	$	(3.58)	$	0.43	$	(3.70)	$	0.22
Diluted	$	(3.58)	$	0.42	$	(3.70)	$	0.21