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ACQUISITIONS AND INVESTMENTS - Estimated Fair Values of Major Assets Acquired and Liabilities Assumed (Detail) - USD ($) $ in Millions | Feb. 24, 2020 | Apr. 03, 2021 | Jan. 02, 2021
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Schedule of Business Acquisitions, Purchase Price Allocation [Line Items] |  |  |
Goodwill |  | $ 9,975.1 | $ 10,038.1
Consolidated Aerospace Manufacturing (CAM) |  |  |
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items] |  |  |
Cash and cash equivalents | $ 35.8 |  |
Accounts receivable, net | 48.3 |  |
Inventories, net | 124.3 |  |
Prepaid expenses and other assets | 2.6 |  |
Property, plant and equipment | 127.9 |  |
Accounts payable | (25.9) |  |
Accrued expenses | (26.9) |  |
Deferred taxes | (16.3) |  |
Other liabilities | (0.3) |  |
Total identifiable net assets | 859.5 |  |
Goodwill | 632.3 |  |
Contingent consideration | (155.3) |  |
Total consideration paid | 1,336.5 |  |
Trade Names | Consolidated Aerospace Manufacturing (CAM) |  |  |
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items] |  |  |
Intangible assets | 25.0 |  |
Customer Relationships | Consolidated Aerospace Manufacturing (CAM) |  |  |
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items] |  |  |
Intangible assets | $ 565.0 |  |

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