| Jan 1, 2023 | Dec 31, 2023 | Dec 29, 2024 |
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| Net (loss) income | 549 | -10 | -2,052 |
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| Depreciation and amortization | 284 | 457 | 453 |
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| Goodwill, Impairment Loss | - | - | 1,823 |
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| Asset impairment charge | - | - | 57 |
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| Stock-based compensation expense | 48 | 52 | 42 |
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| Change in deferred tax assets and liabilities | - | - | -99 |
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| Change in operating lease right-of-use assets and liabilities | 18 | - | -0 |
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| Payment of accreted interest on contingent and deferred consideration | 10 | 10 | - |
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| Loss on extinguishment of debt | -24 | - | - |
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| Unwind inventory fair value adjustment | 61 | - | - |
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| Asset write off | - | - | 20 |
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| Other non-cash, net | -35 | -14 | -2 |
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| Accounts receivable | -150 | -160 | -5 |
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| Inventories | 117 | 212 | 134 |
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| Prepaid expenses and other current and non-current assets | 26 | 27 | 10 |
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| Accounts payable | 24 | 3 | -23 |
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| Accrued payroll and related expenses | 18 | -54 | 35 |
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| Income taxes payable | -27 | -60 | -9 |
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| Other current and non-current liabilities | -75 | -6 | -23 |
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| Net cash provided by operating activities | 885 | 280 | 83 |
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| Acquisitions of property, plant, equipment, investments and intangibles | 141 | 209 | 195 |
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| Proceeds from Sale, Property, Held-for-Sale | - | - | 9 |
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| Acquisition of businesses, net of cash and restricted cash acquired | 1,511 | - | - |
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| Proceeds from government assistance allocated to fixed assets | 18 | 14 | - |
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| Purchases of marketable securities | 64 | 60 | 7 |
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| Proceeds from sale of marketable securities | 53 | 78 | 63 |
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| Other payments | - | 10 | 20 |
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| Net cash used for investing activities | -1,644 | -188 | -150 |
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| Proceeds from issuance of common stock | 26 | 12 | 5 |
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| Short-term borrowings, net | - | 2 | -2 |
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| Revolving credit facility, net | - | - | 198 |
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| Proceeds from Debt, Net of Issuance Costs | 2,735 | - | - |
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| Payments on long-term borrowings and extinguishment costs | 2,388 | 228 | 143 |
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| Payments of tax withholdings related to vesting of stock-based awards | 9 | 14 | 10 |
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| Repurchases of common stock | 74 | 7 | - |
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| Principal payments of acquisition contingent consideration | 4 | - | - |
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| Principal payments of deferred consideration | 34 | 30 | - |
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| Net cash provided by (used for) financing activities | 252 | -266 | 49 |
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| Effect of exchange rates on cash | -2 | -1 | -3 |
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| Net decrease in cash, cash equivalents and restricted cash | -509 | -174 | -21 |
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| Cash paid during the period for interest | 95 | 150 | 178 |
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| Income Taxes Paid | 265 | 87 | 42 |
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| Noncash or Part Noncash Acquisition, Fixed Assets Acquired | 40 | 41 | 26 |
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| Transfer of instrument inventories to fixed assets | 74 | 155 | 149 |
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| Stock Issued | - | - | 0 |
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| Finance Lease Asset and Liability, Initial Recognition | - | - | 13 |
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