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Acquisitions - Additional Information (Detail) $ in Millions | 3 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Sep. 28, 2019 USD ($) | Jun. 29, 2019 USD ($) | Sep. 29, 2018 USD ($) | Jul. 01, 2017 USD ($) | Jun. 29, 2019 USD ($) | Sep. 28, 2019 USD ($) | Sep. 29, 2018 USD ($) | Dec. 29, 2018 USD ($) | Feb. 01, 2032 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Net Sales | $ 3,633.1 |  | $ 3,494.8 |  |  | $ 10,728.0 | $ 10,347.7 |  |
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest | 231.1 |  | 248.3 |  |  | 758.9 | 711.8 |  |
Goodwill | 9,160.0 |  |  |  |  | 9,160.0 |  | $ 8,956.7 |
Purchase price for acquisitions | 6.2 |  | $ 15.1 |  |  | 682.2 | $ 521.9 |  |
Inventories, net | 2,743.5 |  |  |  |  | 2,743.5 |  | 2,373.5 |
Business Combination, Contingent Consideration, Liability, Noncurrent | 190.2 |  |  |  |  | $ 190.2 |  | 169.2 |
Document Period End Date |  |  |  |  |  | Sep. 28, 2019 |  |  |
Industrial Segment |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Goodwill | $ 2,000.6 |  |  |  |  | $ 2,000.6 |  | 1,679.7 |
Equipment Solution Attachments Group (IES) [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Business Acquisition, Goodwill, Expected Tax Deductible Amount |  | $ 2.4 |  |  | $ 2.4 |  |  |  |
Purchase price for acquisitions |  |  |  |  | 653.5 |  |  |  |
Fair Value, Net Asset (Liability) |  | $ 341.3 |  |  | 341.3 |  |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  | 14 years |  |  |  |  |  |  |
Nelson Fasteners [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Purchase price for acquisitions |  |  |  | $ 424.2 |  |  |  |  |
Fair Value, Net Asset (Liability) |  | $ 211.8 |  |  | 211.8 |  |  |  |
Series of Individually Immaterial Business Acquisitions [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Purchase price for acquisitions |  |  |  |  | 35.2 |  |  | 104.5 |
Fair Value, Net Asset (Liability) |  | $ 17.0 |  |  | $ 17.0 |  |  | $ 38.1 |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  |  |  |  | 10 years |  |  |  |
Number of Businesses Acquired |  |  |  |  | 4 |  |  | 6 |
Forecast [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Business Combination, Contingent Consideration, Liability, Noncurrent |  |  |  |  |  |  |  |  | $ 134.5
Minimum [Member] | Nelson Fasteners [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  | 12 years |  |  |  |  |  |  |
Minimum [Member] | Series of Individually Immaterial Business Acquisitions [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  |  |  |  |  |  |  | 10 years |
Minimum [Member] | Forecast [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Business Combination, Contingent Consideration Percent of Sales, Liability, Noncurrent |  |  |  |  |  |  |  |  | 2.50%
Maximum [Member] | Nelson Fasteners [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  | 15 years |  |  |  |  |  |  |
Maximum [Member] | Series of Individually Immaterial Business Acquisitions [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  |  |  |  |  |  |  | 14 years |
Maximum [Member] | Forecast [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Business Combination, Contingent Consideration Percent of Sales, Liability, Noncurrent |  |  |  |  |  |  |  |  | 3.50%
Goodwill [Member] | Equipment Solution Attachments Group (IES) [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets |  | $ 312.2 |  |  | $ 312.2 |  |  |  |
Goodwill [Member] | Nelson Fasteners [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets |  | 216.9 |  |  | 216.9 |  |  |  |
Goodwill [Member] | Series of Individually Immaterial Business Acquisitions [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets |  | 18.2 |  |  | 18.2 |  |  | $ 66.4 |
Deferred Income Tax Charge [Member] | Equipment Solution Attachments Group (IES) [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities |  | 87.1 |  |  | 87.1 |  |  |  |
intangible assets [Member] | Equipment Solution Attachments Group (IES) [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets |  | 328.0 |  |  | 328.0 |  |  |  |
intangible assets [Member] | Nelson Fasteners [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets |  | 167.0 |  |  | 167.0 |  |  |  |
intangible assets [Member] | Series of Individually Immaterial Business Acquisitions [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets |  |  |  |  |  |  |  | 35.5 |
Customer Relationships [Member] | Equipment Solution Attachments Group (IES) [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets |  | 304.0 |  |  | 304.0 |  |  |  |
Customer Relationships [Member] | Nelson Fasteners [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets |  | 149.0 |  |  | 149.0 |  |  |  |
Customer Relationships [Member] | Series of Individually Immaterial Business Acquisitions [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets |  | 5.9 |  |  | 5.9 |  |  | 32.0 |
Equipment Solution Attachments Group (IES) [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Fair Value, Net Asset (Liability) |  | 81.0 |  |  | 81.0 |  |  |  |
Nelson Fasteners [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Fair Value, Net Asset (Liability) |  | 64.2 |  |  | 64.2 |  |  |  |
Series of Individually Immaterial Business Acquisitions [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Fair Value, Net Asset (Liability) |  | $ 6.1 |  |  | $ 6.1 |  |  | $ 13.4 |

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