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BUSINESS SEGMENTS AND GEOGRAPHIC AREAS - Business Segments (Detail) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 28, 2019 | Sep. 29, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 30, 2017 | Sep. 30, 2017 | Jul. 01, 2017 | Apr. 01, 2017 | Dec. 28, 2019 | Dec. 29, 2018 | Dec. 30, 2017 | Jan. 03, 2015
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net Sales | $ 3,714.2 | $ 3,633.1 | $ 3,761.3 | $ 3,333.6 | $ 3,634.7 | $ 3,494.8 | $ 3,643.6 | $ 3,209.3 | $ 14,442.2 | $ 13,982.4 | $ 12,966.6 |
Segment Profit |  |  |  |  |  |  |  |  | 1,994.0 | 1,882.2 | 1,996.5 |
Corporate overhead |  |  |  |  |  |  |  |  | (229.5) | (202.8) | (217.4) |
Other-net |  |  |  |  |  |  |  |  | (249.1) | (287.0) | (269.2) |
Gain (Loss) on Disposition of Business |  |  |  |  |  | $ (13.7) |  |  | 17.0 | (0.8) | 264.1 |
Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Settlement |  |  |  |  |  |  |  |  | 0.0 | 0.0 | (12.2) |
Restructuring charges and asset impairments |  |  |  |  |  |  |  |  | (154.1) | (160.3) | (51.5) |
Gain (Loss) on Extinguishment of Debt |  |  |  |  |  |  |  |  | (17.9) | 0.0 | 0.0 | $ 0.1
Interest income |  |  |  |  |  |  |  |  | 53.9 | 68.7 | 40.1 |
Interest expense |  |  |  |  |  |  |  |  | (284.3) | (277.9) | (222.6) |
Earnings before income taxes and equity interest |  |  |  |  |  |  |  |  | 1,130.0 | 1,022.1 | 1,527.8 |
Capital and Software Expenditures |  |  |  |  |  |  |  |  | 424.7 | 492.1 | 442.4 |
Depreciation and amortization of property, plant and equipment |  |  |  |  |  |  |  |  | 372.8 | 331.2 | 296.9 |
Total Assets | (20,596.6) |  |  |  | (19,097.7) |  |  |  | (20,596.6) | (19,408.0) | (19,097.7) |
Construction and Do It Yourself |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  | 10,062.1 | 9,814.0 | 9,045.0 |
Segment Profit |  |  |  |  |  |  |  |  | 1,533.3 | 1,393.1 | 1,438.9 |
Capital and Software Expenditures |  |  |  |  |  |  |  |  | 297.2 | 353.7 | 327.2 |
Depreciation And Amortization excluding Discontinued Operations |  |  |  |  |  |  |  |  | 327.8 | 300.1 | 271.9 |
Securities Industry [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Capital and Software Expenditures |  |  |  |  |  |  |  |  | 37.9 | 42.6 | 39.0 |
Depreciation And Amortization excluding Discontinued Operations |  |  |  |  |  |  |  |  | 73.1 | 80.5 | 81.4 |
Total Segments excluding Non Op [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Depreciation and amortization of property, plant and equipment |  |  |  |  |  |  |  |  | 560.2 | 506.5 | 460.7 |
Industrial Segment |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Capital and Software Expenditures |  |  |  |  |  |  |  |  | 89.6 | 95.8 | 76.2 |
Depreciation And Amortization excluding Discontinued Operations |  |  |  |  |  |  |  |  | 159.3 | 125.9 | 107.4 |
Corporate Assets |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total Assets | (701.4) |  |  |  | (592.9) |  |  |  | (701.4) | (748.7) | (592.9) |
Continuing Operations [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total Assets | (21,298.0) |  |  |  | (19,690.6) |  |  |  | (21,298.0) | (20,156.7) | (19,690.6) |
Continuing Operations [Member] | Construction and Do It Yourself |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total Assets | (13,642.4) |  |  |  | (12,870.3) |  |  |  | (13,642.4) | (13,122.6) | (12,870.3) |
Continuing Operations [Member] | Securities Industry [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  | 1,945.4 | 1,980.6 | 1,947.3 |
Segment Profit |  |  |  |  |  |  |  |  | 126.6 | 169.3 | 211.7 |
Total Assets | (4,207.0) |  |  |  | (3,413.3) |  |  |  | (4,207.0) | (3,620.5) | (3,413.3) |
Continuing Operations [Member] | Industrial Segment |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net Sales |  |  |  |  |  |  |  |  | 2,434.7 | 2,187.8 | 1,974.3 |
Segment Profit |  |  |  |  |  |  |  |  | 334.1 | 319.8 | 345.9 |
Total Assets | $ (3,448.6) |  |  |  | $ (3,407.0) |  |  |  | $ (3,448.6) | $ (3,413.6) | $ (3,407.0) |
Home Depot [Member] | Construction and Do It Yourself |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Percentage Of Net Sales |  |  |  |  |  |  |  |  | 15.00% | 14.00% | 13.00% |

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