CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Sep. 28, 2025	Dec. 29, 2024
Current assets:
Cash and cash equivalents	$ 565.9	$ 329.3
Accounts receivable, net	136.3	117.5
Unbilled receivables, net	287.1	206.3
Inventoried costs, net	180.0	162.1
Prepaid expenses	14.8	18.0
Other current assets	52.9	38.9
Total current assets	1,237.0	872.1
Property, plant and equipment, net	342.5	288.2
Operating lease right-of-use assets, net	42.0	37.6
Goodwill	595.0	568.9
Intangible assets, net	57.2	53.8
Other assets	149.6	130.3
Total assets	2,423.3	1,950.9
Current liabilities:
Accounts payable	66.2	82.0
Accrued expenses	66.8	38.8
Accrued compensation	68.7	71.9
Billings in excess of costs and earnings on uncompleted contracts	64.2	76.3
Current portion of operating lease liabilities	12.2	11.3
Current portion of finance lease liabilities	2.8	1.9
Other current liabilities	6.5	14.5
Total current liabilities	287.4	296.7
Long-term debt, net of current portion	0.0	174.6
Operating lease liabilities, net of current portion	33.3	29.8
Finance lease liabilities, net of current portion	86.0	64.4
Other long-term liabilities	35.1	32.2
Total liabilities	441.8	597.7
Commitments and contingencies (Note 14)
Stockholders’ equity:
Preferred stock, $0.001 par value, 5,000,000 shares authorized, 0 shares issued and outstanding at September 28, 2025 and December 29, 2024	0.0	0.0
Common stock, $0.001 par value, 195,000,000 shares authorized; 168,838,631 and 151,092,292 shares issued and outstanding at September 28, 2025 and December 29, 2024, respectively	0.2	0.2
Additional paid-in capital	2,627.0	2,017.4
Accumulated other comprehensive income (loss)	2.1	(0.5)
Accumulated deficit	(647.8)	(663.9)
Total stockholders’ equity	1,981.5	1,353.2
Total liabilities and stockholders’ equity	$ 2,423.3	$ 1,950.9