Condensed Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 29, 2024	Mar. 31, 2023
Revenues:
Total revenues	$ 477.7	$ 433.3
Cost of revenues:
Total cost revenues	395.1	360.3
Gross margin	82.6	73.0
Operating expenses:
Research and development	7.0	7.1
Sales and marketing	13.7	13.1
General and administrative	44.6	40.4
Total operating expenses	65.3	60.6
Income from operations	17.3	12.4
Interest income	1.4	0.5
Interest expense	(12.2)	(11.8)
Other income (expense), net	(3.8)	2.8
Income before provision for income taxes	2.7	3.9
Provision for income taxes	9.9	3.5
Net income (loss)	(7.2)	0.4
Less: Net income attributable to noncontrolling interests	2.2	3.8
Net loss attributable to UCT	$ (9.4)	$ (3.4)
Net loss per share attributable to UCT common stockholders:
Basic (in dollars per share)	$ (0.21)	$ (0.08)
Diluted (in dollars per share)	$ (0.21)	$ (0.08)
Shares used in computing net loss per share:
Basic (in shares)	44.6	44.8
Diluted (in shares)	44.6	44.8
Product
Revenues:
Total revenues	$ 418.5	$ 368.6
Cost of revenues:
Total cost revenues	354.0	315.1
Services
Revenues:
Total revenues	59.2	64.7
Cost of revenues:
Total cost revenues	$ 41.1	$ 45.2