CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 29, 2025	Jun. 30, 2024	Jun. 29, 2025	Jun. 30, 2024
Total revenues	$ 351.5	$ 300.1	$ 654.1	$ 577.3
Total costs	277.7	222.9	506.7	429.1
Gross profit	73.8	77.2	147.4	148.2
Selling, general and administrative expenses	59.9	54.5	116.9	108.9
Research and development expenses	10.2	10.2	20.2	19.8
Operating income	3.7	12.5	10.3	19.5
Other income (expense):
Interest income (expense), net	(1.2)	0.1	(2.1)	(2.7)
Other income (expense), net	2.1	0.1	1.8	(0.1)
Total other income (expense), net	0.9	0.2	(0.3)	(2.8)
Income before income taxes	4.6	12.7	10.0	16.7
Provision for income taxes	1.7	4.8	2.6	7.5
Net income	$ 2.9	$ 7.9	$ 7.4	$ 9.2
Basic income per common share (in dollars per share)	$ 0.02	$ 0.05	$ 0.05	$ 0.06
Diluted income per common share (in dollars per share)	$ 0.02	$ 0.05	$ 0.05	$ 0.06
Basic weighted average common shares outstanding (in shares)	155.7	151.8	154.9	146.4
Diluted weighted average common shares outstanding (in shares)	157.4	153.5	156.9	147.5
Service revenues
Total revenues	$ 134.9	$ 106.5	$ 237.3	$ 213.0
Total costs	107.2	77.0	182.9	156.2
Product sales
Total revenues	216.6	193.6	416.8	364.3
Total costs	$ 170.5	$ 145.9	$ 323.8	$ 272.9