v3.26.1
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Millions
 6 Months Ended
Jun. 28, 2026
Jun. 29, 2025
Operating activities:    
Net income $ 16.3 $ 7.4
Adjustments to reconcile net income to net cash used in operating activities:    
Depreciation and amortization 38.9 22.2
Deferred income taxes 2.1 0.0
Amortization of lease right-of-use assets 6.9 6.0
Stock-based compensation 31.3 17.3
Amortization of deferred financing costs 0.2 0.3
Provision for doubtful accounts 0.1 0.0
Changes in assets and liabilities, net of acquisitions:    
Accounts receivable 16.7 (23.1)
Unbilled receivables (104.3) (49.9)
Inventoried costs (24.8) (7.3)
Prepaid expenses and other assets (36.6) (27.3)
Operating lease liabilities (7.5) (5.7)
Accounts payable 23.0 17.5
Accrued expenses 20.6 9.1
Accrued compensation (3.2) 0.0
Billings in excess of costs and earnings on uncompleted contracts (10.7) (5.1)
Income tax receivable and payable (3.9) (0.9)
Other liabilities (3.5) (1.4)
Net cash used in operating activities (38.4) (40.9)
Investing activities:    
Cash paid for acquisitions, net of cash acquired (346.8) 0.0
Investment in joint venture (6.9) 0.0
Proceeds from sale of assets 13.5 0.0
Capital expenditures (37.1) (43.1)
Proceeds from state grant for capital construction 2.0 0.0
Net cash used in investing activities (375.3) (43.1)
Financing activities:    
Proceeds from the issuance of common stock, net of issuance costs 1,348.4 555.9
Repayment under credit facility and term loan 0.0 (5.0)
Debt issuance costs (1.4) 0.0
Payments under finance leases (2.0) (0.9)
Payments of employee taxes withheld from share-based awards (59.1) (18.3)
Proceeds from shares issued under equity plans 5.3 4.6
Net cash provided by financing activities 1,291.2 536.3
Net cash provided 877.5 452.3
Effect of exchange rate changes on cash and cash equivalents (0.5) 2.0
Net increase in cash and cash equivalents 877.0 454.3
Cash and cash equivalents at beginning of period 560.6 329.3
Cash and cash equivalents at end of period 1,437.6 783.6
Supplemental disclosure of cash flow information:    
Cash paid for interest 0.1 5.5
Cash paid for income taxes 5.8 3.4
Non-cash investing and financing activities:    
Finance lease obligation recognized 42.3 0.0
Capital expenditures included in accounts payable and accrued expenses 9.1 4.9
Common stock issuance for contingent acquisition consideration 1.0 0.0
Common stock issuance for acquisition $ 88.8 $ 36.6