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ACQUISITIONS AND INVESTMENTS - Additional Information (Detail) |  |  |  | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
Feb. 24, 2020 USD ($) | Mar. 08, 2019 USD ($) | Jan. 02, 2019 USD ($) | Jun. 27, 2020 USD ($) | Jun. 29, 2019 USD ($) | Jun. 27, 2020 USD ($) | Jun. 29, 2019 USD ($) | Dec. 28, 2019 USD ($) site | Feb. 29, 2020 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Purchase price for acquisitions net of cash acquired |  |  |  | $ (400,000) | $ (200,000) | $ 1,302,000,000.0 | $ 676,000,000.0 |  |
Goodwill |  |  |  | 9,805,200,000 |  | 9,805,200,000 |  | $ 9,237,500,000 |
Net sales |  |  |  | 65,300,000 |  | 98,400,000 |  |  |
Net loss attributable to common shareowners |  |  |  | (30,600,000) |  | (51,400,000) |  |  |
Consolidated |  |  |  | 3,147,400,000 | $ 3,761,300,000 | 6,276,800,000 | $ 7,094,900,000 |  |
MTD |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Ownership percentage |  |  | 20.00% |  |  |  |  |  |
Cash paid for equity method investment |  |  | $ 234,000,000 |  |  |  |  |  |
Option to purchase additional ownership in equity method investment, as a percent |  |  | 80.00% |  |  |  |  |  |
Consolidated |  |  |  |  |  |  |  | 2,400,000,000 |
Consolidated Aerospace Manufacturing (CAM) |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Estimated purchase price | $ 1,460,000,000 |  |  |  |  |  |  |  |
Purchase price for acquisitions net of cash acquired | 1,300,000,000 |  |  |  |  |  |  |  |
Contingent consideration | 200,000,000.0 |  |  |  |  |  |  |  |
Fair value of contingent consideration at date of acquisition | $ 155,300,000 |  |  | $ 155,300,000 |  | $ 155,300,000 |  |  |
Weighted average useful life of intangible assets | 20 years |  |  |  |  |  |  |  |
Estimate of tax deductible goodwill | $ 619,500,000 |  |  |  |  |  |  |  |
Deferred tax liabilities | 19,400,000 |  |  |  |  |  |  |  |
Estimated acquisition date value | 870,200,000 |  |  |  |  |  |  |  |
Goodwill | $ 621,500,000 |  |  |  |  |  |  |  |
Equipment Solution Attachments Group (IES) |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Purchase price for acquisitions net of cash acquired |  | $ 653,500,000 |  |  |  |  |  |  |
Weighted average useful life of intangible assets |  | 14 years |  |  |  |  |  |  |
Estimate of tax deductible goodwill |  | $ 2,400,000 |  |  |  |  |  |  |
Working capital |  | 77,800,000 |  |  |  |  |  |  |
Deferred tax liabilities |  | 78,300,000 |  |  |  |  |  |  |
Intangible assets |  | 328,000,000.0 |  |  |  |  |  |  |
Estimated acquisition date value |  | 342,200,000 |  |  |  |  |  |  |
Goodwill |  | 311,300,000 |  |  |  |  |  |  |
Finite-lived intangible assets |  | $ 304,000,000.0 |  |  |  |  |  |  |
Series of Individually Immaterial Business Acquisitions |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Purchase price for acquisitions net of cash acquired |  |  |  |  |  |  |  | 40,800,000 |
Working capital |  |  |  |  |  |  |  | 5,900,000 |
Estimated acquisition date value |  |  |  |  |  |  |  | 19,000,000.0 |
Goodwill |  |  |  |  |  |  |  | 21,800,000 |
Finite-lived intangible assets |  |  |  |  |  |  |  | $ 8,800,000 |
Number of businesses acquired | site |  |  |  |  |  |  |  | 5 |
Minimum | Series of Individually Immaterial Business Acquisitions |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Weighted average useful life of intangible assets |  |  |  |  |  |  |  | 8 years |
Maximum | Consolidated Aerospace Manufacturing (CAM) |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Fair value of contingent consideration at date of acquisition |  |  |  |  |  |  |  |  | $ 200,000,000.0
Maximum | Series of Individually Immaterial Business Acquisitions |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Weighted average useful life of intangible assets |  |  |  |  |  |  |  | 10 years |

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