v3.26.3
Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 26, 2026
Sep. 27, 2025
Cash flows from operating activities:    
Net income (loss) $ (98) $ (51,785)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:    
Net accretion on investments (2,577) (547)
Gain from sale of property, plant and equipment 64 (45)
Depreciation and amortization 31,117 40,135
Pension curtailment gain 0 (2,317)
Share-based compensation expense 17,494 17,564
Non-cash inventory related charges 7,792 4,327
Deferred income taxes (1,057) (4,659)
Changes in accrued retiree medical benefits (453) (4)
Changes in other accrued liabilities (1,237) (113)
Changes in other assets (806) (470)
Amortization of cloud-based software implementation costs 2,169 2,127
Mark to market adjustment to contingent consideration 0 (1,700)
Amortization of debt discounts and issuance costs 1,280 0
Operating lease right-of-use assets 3,679 5,317
Changes in assets and liabilities, excluding effects from acquisitions:    
Customer advances 1,177 247
Accounts receivable (40,236) (28,521)
Inventories (29,195) 3,588
Other current assets (6,824) (13,009)
Accounts payable 35,663 17,985
Deferred profit 1,875 2,860
Income taxes payable (168) (59)
Accrued compensation, warranty and other liabilities 8,855 6,260
Current and long-term operating lease liabilities (2,160) (5,325)
Net cash provided by (used in) operating activities 26,354 (8,144)
Cash flows from investing activities:    
Purchases of short-term investments (183,960) (40,319)
Sales and maturities of short-term investments 206,678 48,378
Settlement of net investment hedge 2,336 (3,059)
Purchases of property, plant and equipment (6,961) (17,583)
Cash received from sale of property, plant and equipment 12 79
Net cash provided by (used in) investing activities 18,105 (47,439)
Cash flows from financing activities:    
Payments on current and long-term finance lease liabilities 0 (7)
Repurchases of common stock, net (3,734) (575)
Proceeds from revolving line of credit and revolving credit facility 6,025 8,730
Repayments of debt (1,044) (1,090)
Acquisition of treasury stock 0 (8,586)
Net cash provided by (used in) financing activities 1,247 (1,528)
Effect of exchange rate changes on cash and cash equivalents    
Effect of exchange rate changes on cash and cash equivalents (456) 648
Net increase (decrease) in cash and cash equivalents 45,250 (56,463)
Cash and cash equivalents at beginning of period 227,053 206,407
Cash and cash equivalents at end of period 272,303 149,944
Supplemental disclosure of cash flow information:    
Cash paid for income taxes 11,910 20,904
Inventory capitalized as property, plant and equipment 1,716 639
Property, plant and equipment purchases included in accounts payable 574 672
Cash paid for interest 3,965 417
Tignis, Inc [Member]    
Cash flows from investing activities:    
Payment for purchase of Tignis, net of cash received $ 0 $ (34,935)