MERGER AND ACQUISITIONS - Additional Information (Detail) $ / shares in Units, $ in Millions	3 Months Ended	12 Months Ended
	Apr. 01, 2017 USD ($)	Dec. 29, 2018 USD ($) $ / shares	Dec. 30, 2017 USD ($) Acquisition $ / shares	Dec. 31, 2016 USD ($) Acquisition	Mar. 01, 2032	Feb. 01, 2032 USD ($)	Feb. 01, 2020 USD ($)	Jan. 02, 2019 USD ($)
Business Acquisition [Line Items]
Business Acquisition, Pro Forma Revenue		$ 0.0	$ 0.0
Number of businesses acquired during the period		6	4	5
Purchase price for acquisitions		$ 524.6	$ 2,583.5	$ 59.3
Goodwill acquired, FAS 141R		(8,956.7)	(8,776.1)
Business Combination, Contingent Consideration, Liability, Noncurrent		169.2	114.0
Indefinite-Lived Trade Names		2,199.0	2,206.0
Business Acquisition, Pro Forma Net Income (Loss)		$ 0.0	$ 0.0
Business Acquisition, Pro Forma Earnings Per Share, Diluted | $ / shares		$ 4.14	$ 8.07
Series of Individually Immaterial Business Acquisitions
Business Acquisition [Line Items]
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual		$ 0.0
Purchase price for acquisitions		105.2	$ 182.9
Fair Value, Net Asset (Liability)		37.8	$ 88.1
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual		0.0
Craftsman [Member]
Business Acquisition [Line Items]
Business Acquisition, Goodwill, Expected Tax Deductible Amount		442.7
Total Consideration Paid for Acquisition		936.7
Business Combination, Consideration Transferred		568.2
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Deferred Revenue		293.0
Fair Value, Net Asset (Liability)		$ 482.6
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		17 years
Newell Tools [Member]
Business Acquisition [Line Items]
Purchase price for acquisitions	$ 1,860.0
Business Acquisition, Goodwill, Expected Tax Deductible Amount		$ 15.7
Business Combination, Consideration Transferred		$ 1,858.0
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		15 years
MTD [Member] | Subsequent Event [Member]
Business Acquisition [Line Items]
Business Combination, Consideration Payable								$ 234.0
Business Acquisition, Percentage of Voting Interests Acquired								20.00%
Nelson Fasteners [Member]
Business Acquisition [Line Items]
Purchase price for acquisitions		$ 430.1
Fair Value, Net Asset (Liability)		$ 210.6
Minimum | Series of Individually Immaterial Business Acquisitions
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		10 years	10 years
Minimum | Nelson Fasteners [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		12 years
Maximum [Member] | Series of Individually Immaterial Business Acquisitions
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		14 years	15 years
Maximum [Member] | Nelson Fasteners [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		15 years
Scenario, Forecast [Member]
Business Acquisition [Line Items]
Business Combination, Contingent Consideration, Liability, Current					3.00%
Business Combination, Contingent Consideration, Liability, Noncurrent						$ 134.5
Scenario, Forecast [Member] | Subsequent Event [Member]
Business Acquisition [Line Items]
Business Combination, Consideration Payable							$ 234.0
Scenario, Forecast [Member] | Minimum
Business Acquisition [Line Items]
Business Combination, Contingent Consideration, Liability, Current						2.50%
Scenario, Forecast [Member] | Maximum [Member]
Business Acquisition [Line Items]
Business Combination, Contingent Consideration, Liability, Current						3.50%
Nelson Fasteners [Member]
Business Acquisition [Line Items]
Fair Value, Net Asset (Liability)		$ 64.9
Craftsman [Member]
Business Acquisition [Line Items]
Fair Value, Net Asset (Liability)		40.2
Indefinite-Lived Trade Names		396.0
Series of Individually Immaterial Business Acquisitions
Business Acquisition [Line Items]
Fair Value, Net Asset (Liability)		13.0	$ 35.3
intangible assets [Member] | Series of Individually Immaterial Business Acquisitions
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets		35.5	54.4
intangible assets [Member] | Craftsman [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets		418.0
intangible assets [Member] | Nelson Fasteners [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets		167.0
Goodwill [Member] | Series of Individually Immaterial Business Acquisitions
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets		67.4	94.8
Goodwill [Member] | Craftsman [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets		747.1
Goodwill [Member] | Newell Tools [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets		1,031.8
Goodwill [Member] | Nelson Fasteners [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets		219.5
Customer relationships | Series of Individually Immaterial Business Acquisitions
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets		32.0	$ 51.4
Customer relationships | Newell Tools [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets		548.0
Customer relationships | Nelson Fasteners [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets		$ 149.0