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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 30, 2023
Accounting Policies [Abstract] |
Schedule of Fair Value, Assets Measured on Recurring Basis | The following tables represent the Company’s financial assets, measured at fair value on a recurring basis at December 30, 2023:
|  |  | Fair Value Measurement Hierarchy
(in millions) | Total Carrying Value |  | Level 1 |  | Level 2 |  | Level 3
Assets |  |  |  |  |  |  |
Cash and cash equivalents | $ | 87.0 |  |  | $ | 87.0 |  |  | $ | — |  |  | $ | — |
Money market funds | 76.0 |  |  | 76.0 |  |  | — |  |  | — |
Pension assets: |  |  |  |  |  |  |
Cash and cash equivalents | (1.2) |  | (1) | (1.2) |  |  | — |  |  | — |
Equity securities | 8.1 |  |  | 8.1 |  |  | — |  |  | — |
Debt securities | 10.7 |  |  | 9.9 |  |  | 0.8 |  |  | — |
Real estate funds | 3.1 |  |  | — |  |  | 3.1 |  |  | — |
Alternative investments | 1.9 |  |  | — |  |  | 1.9 |  |  | — |
Other | 0.5 |  |  | — |  |  | 0.5 |  |  | — |
Equity securities | 1.7 |  |  | 1.7 |  |  | — |  |  | — |
Derivative instruments - cash flow hedges(2) | 11.6 |  |  | 11.6 |  |  | — |  |  | — |
Derivative instruments - warrants | 1.0 |  |  | 1.0 |  |  | — |  |  | — |
Total assets | $ | 200.4 |  |  | $ | 194.1 |  |  | $ | 6.3 |  |  | $ | — |
Liabilities |  |  |  |  |  |  |
Derivative instruments - cash flow hedge | $ | 3.6 |  |  | $ | 3.6 |  |  | $ | — |  |  | $ | — |
Pension benefit obligation | 32.6 |  |  | 32.6 |  |  | — |  |  | — |
Total liabilities | $ | 36.2 |  |  | $ | 36.2 |  |  | $ | — |  |  | $ | — |
______________ (1) Due to the timing of a cash transfer, there was a payable as of December 30, 2023, resulting in a negative allocation as of year end. (2) Includes accrued interest. The following tables represent the Company’s financial assets, measured at fair value on a recurring basis at December 31, 2022:
|  |  | Fair Value Measurement Hierarchy
(in millions) | Total Carrying Value |  | Level 1 |  | Level 2 |  | Level 3
Assets |  |  |  |  |  |  |
Cash and cash equivalents | $ | 148.5 |  |  | $ | 148.5 |  |  | $ | — |  |  | $ | — |
U.S. treasuries | — |  |  | — |  |  | — |  |  | — |
Money market funds | 54.4 |  |  | 54.4 |  |  | — |  |  | — |
Pension assets: |  |  |  |  |  |  |
Cash and cash equivalents | 1.0 |  |  | 1.0 |  |  | — |  |  | — |
Equity securities | 6.6 |  |  | 6.6 |  |  | — |  |  | — |
Debt securities | 8.0 |  |  | 7.2 |  |  | 0.8 |  |  | — |
Real estate funds | 3.5 |  |  | — |  |  | 3.5 |  |  | — |
Alternative investments | 1.9 |  |  | — |  |  | 1.9 |  |  | — |
Other | 1.2 |  |  | — |  |  | 1.2 |  |  | — |
Derivative instruments - cash flow hedges | 19.7 |  |  | — |  |  | 19.7 |  |  | — |
Total assets | $ | 244.8 |  |  | $ | 217.7 |  |  | $ | 27.1 |  |  | $ | — |
Liabilities |  |  |  |  |  |  |
Pension benefit obligation | $ | 32.3 |  |  | $ | 32.3 |  |  | $ | — |  |  | $ | — |
Total liabilities | $ | 32.3 |  |  | $ | 32.3 |  |  | $ | — |  |  | $ | — |
Schedule of Property and Equipment | Property and equipment are stated at cost. Depreciation is calculated using the straight-line method over estimated useful lives as follows:
| Useful Lives
Buildings and building improvements | 7 to 39 years
Computer equipment and software | 2 to 12 years
Demonstration units | 2 to 3 years
Furniture and office equipment | 2 to 15 years
Leasehold improvements | Lesser of useful life or term of lease
Machinery, equipment and tooling | 3 to 20 years
Operating lease assets | Lesser of useful life or term of lease
Transportation, vehicles and other | 1 to 20 years
Property and equipment, net, consists of the following:
(in millions) | December 30, 2023 |  | December 31, 2022
Building and building improvements | $ | 151.0 |  |  | $ | 151.0 |
Machinery, equipment and tooling | 169.7 |  |  | 149.4 |
Operating lease assets | 92.2 |  |  | 50.2 |
Land | 66.2 |  |  | 65.1 |
Computer equipment and software | 45.5 |  |  | 42.1 |
Leasehold improvements | 37.5 |  |  | 32.3 |
Transportation, vehicles and other | 34.0 |  |  | 32.7 |
Furniture and office equipment | 20.4 |  |  | 19.4 |
Demonstration units | 11.1 |  |  | 11.2 |
Construction-in-progress (CIP) | 59.2 |  |  | 50.6 |
Total property and equipment | 686.8 |  |  | 604.0 |
Accumulated depreciation | (262.4) |  |  | (201.5) |
Property and equipment, net | $ | 424.4 |  |  | $ | 402.5 |
Schedule of Changes in Product Warranty Accrual | Changes in the product warranty accrual were as follows:
| Year Ended
(in millions) | December 30, 2023 |  | December 31, 2022 |  | January 1, 2022
Product warranty accrual, beginning of period | $ | 10.6 |  |  | $ | 2.5 |  |  | $ | 2.7 |
Increase related to acquisition, net of reserve | — |  |  | 8.4 |  |  | — |
Accrual for warranties issued | 7.8 |  |  | 1.8 |  |  | 2.2 |
Changes in pre-existing warranties (including changes in estimates) | (7.5) |  |  | 4.7 |  |  | (1.4) |
Settlements made | (2.3) |  |  | (6.8) |  |  | (1.0) |
Product warranty accrual, end of period | $ | 8.6 |  |  | $ | 10.6 |  |  | $ | 2.5 |
Schedule of Reconciliation of Basic and Diluted Net Income Per Share | A computation of basic and diluted net income per share is as follows:
| Year Ended
(in millions, except per share amounts) | December 30, 2023 |  | December 31, 2022 |  | January 1, 2022
Net income | $ | 81.5 |  |  | $ | 143.5 |  |  | $ | 229.6 |
Basic net income per share: |  |  |  |  |
Weighted-average shares outstanding - basic | 52.8 |  |  | 53.6 |  |  | 55.2 |
Net income per basic share | $ | 1.54 |  |  | $ | 2.68 |  |  | $ | 4.16 |
Diluted net income per share: |  |  |  |  |
Weighted-average shares outstanding - basic | 52.8 |  |  | 53.6 |  |  | 55.2 |
Diluted share equivalents: stock options, RSUs and PSUs | 1.3 |  |  | 1.6 |  |  | 2.5 |
Weighted-average shares outstanding - diluted | 54.1 |  |  | 55.2 |  |  | 57.7 |
Net income per diluted share | $ | 1.51 |  |  | $ | 2.60 |  |  | $ | 3.98 |
Schedule of Supplemental Cash Flow Information | Supplemental Cash Flow Information Supplemental cash flow information includes the following:
| Year Ended
(in millions) | December 30, 2023 |  | December 31, 2022 |  | January 1, 2022
Cash paid during the year for: |  |  |  |  |
Interest expense | $ | 51.0 |  |  | $ | 23.0 |  |  | $ | 0.3 |
Income taxes | 54.4 |  |  | 87.3 |  |  | 43.9 |
Operating lease liabilities | 22.4 |  |  | 17.2 |  |  | 7.3 |
Non-cash operating activities: |  |  |  |  |
ROU assets obtained in exchange for lease liabilities | $ | 16.3 |  |  | $ | — |  |  | $ | 6.0 |
Non-cash investing activities: |  |  |  |  |
Unpaid purchases of property and equipment | $ | 0.2 |  |  | $ | 3.8 |  |  | $ | — |
Non-cash financing activities: |  |  |  |  |
Unsettled common stock proceeds from option exercises | $ | — |  |  | $ | — |  |  | $ | 0.7 |
Reconciliation of cash, cash equivalents and restricted cash: |  |  |  |  |
Cash and cash equivalents | $ | 163.0 |  |  | $ | 202.9 |  |  | $ | 745.3 |
Restricted cash | 5.2 |  |  | 6.7 |  |  | 3.1 |
Total cash, cash equivalents and restricted cash shown in the statement of cash flows | $ | 168.2 |  |  | $ | 209.6 |  |  | $ | 748.4 |

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- Definition Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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- Definition Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482425/460-10-50-8 + Details
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