DERIVATIVE FINANCIAL INSTRUMENTS - Additional Information (Detail) - USD ($) $ in Millions		9 Months Ended	12 Months Ended
		Sep. 28, 2019	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017	Jan. 03, 2020	Mar. 01, 2019	Feb. 15, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Current maturities of long-term debt			$ 3.1	$ 2.5	$ 977.5
Commercial Paper Amount Outstanding			335.5	228.9
Payments for (Proceeds from) Derivative Instruments			69.9	2.4	2.6
Payments for (Proceeds from) Derivative Instrument, Investing Activities			(8.0)	(25.7)	23.3
Long-Term Debt			3,176.4	3,819.8
Other Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) reclassified from OCI to income (Effective Portion)			0.0	0.0
Net swap accruals and amortization of gains on terminated swaps			0.0	0.0
Foreign Exchange Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) included in accumulated other comprehensive income (loss)			(97.3)	(63.3)
Payments for (Proceeds from) Derivative Instrument, Investing Activities			8.0	25.7	23.3
Foreign Exchange Contracts | Currency British Pound Sterling [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount			1,400.0	262.4
Foreign Exchange Contracts | Other, net
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax					131.3
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net					0.0
Currency Swap [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount				250.0
Currency Swap [Member] | Japan, Yen
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount				1,100.0
Currency Swap [Member] | Other Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) reclassified from OCI to income (Effective Portion)			(29.9)	(6.8)
Net swap accruals and amortization of gains on terminated swaps			29.9	6.8
Forward Contracts | Other Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax			6.4	37.1
Gain (Loss) reclassified from OCI to income (Effective Portion)			(4.3)	(8.2)
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net			4.6	8.6
Net swap accruals and amortization of gains on terminated swaps			4.3	8.2
Cross Currency Interest Rate Contract [Member] | Other Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax			54.8	(2.3)
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net			48.8	5.8
Equity Option [Member] | Other Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax			(3.7)	(2.0)
Gain (Loss) reclassified from OCI to income (Effective Portion)			0.0	0.0
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net			0.0	0.0
Net swap accruals and amortization of gains on terminated swaps			0.0	0.0
Designated as Hedging Instruments | Other Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net			0.0	0.0
Non Derivative Instrument, (Gain) Loss Recognized in Other Comprehensive Income (Loss), Effective Portion, Net			21.7	61.8
Not Designated as Hedging Instrument | Forward Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount			946.8	1,000.0
Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
After-tax gain (loss) for cash flow hedge effectiveness in accumulated other comprehensive loss			(54.2)	(26.8)
Gain (Loss) reclassified from OCI to income (Effective Portion)			13.1	15.4	(4.7)
Cash Flow Hedging [Member] | Foreign Exchange Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax			(16.7)	35.9	(66.6)
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net	[1]		0.0	0.0	0.0
Cash Flow Hedging [Member] | Foreign Exchange Contracts | Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) reclassified from OCI to income (Effective Portion)			0.0	0.0
Cash Flow Hedging [Member] | Foreign Exchange Contracts | Cost of Sales
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) reclassified from OCI to income (Effective Portion)			6.5	17.9	8.4
Cash Flow Hedging [Member] | Interest Rate Swap [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) reclassified from OCI to income (Effective Portion)		$ (1.0)
Derivative, Notional Amount			400.0				$ 250.0	$ 650.0
Cash Flow Hedging [Member] | Interest Rate Swap [Member] | Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) reclassified from OCI to income (Effective Portion)			16.2	15.3
Cash Flow Hedging [Member] | Interest Rate Contracts | Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax			(40.5)	33.1	(8.4)
Gain (Loss) reclassified from OCI to income (Effective Portion)			16.2	15.3	0.0
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net			0.0	0.0	0.0
Cash Flow Hedging [Member] | Interest Rate Contracts | Cost of Sales
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) reclassified from OCI to income (Effective Portion)			0.0	0.0
Cash Flow Hedging [Member] | Foreign Exchange Forward
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount			518.2	240.0
Cash Flow Hedging [Member] | Foreign Exchange Option [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount				370.0
Fair Value Hedges
Derivative Instruments, Gain (Loss) [Line Items]
Net swap accruals and amortization of gains on terminated swaps			7.7	3.2	$ 3.2
Other Current Liabilities [Member] | Fair Value Hedges | Designated as Hedging Instruments
Derivative Instruments, Gain (Loss) [Line Items]
Current maturities of long-term debt			3.1	2.5
Long-term Debt [Member] | Fair Value Hedges | Designated as Hedging Instruments
Derivative Instruments, Gain (Loss) [Line Items]
Long-Term Debt			3,176.4	3,819.8
Subsequent Event [Member] | Cash Flow Hedging [Member] | Interest Rate Swap [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount						$ 1,000.0
Gain (loss) included in accumulated other comprehensive income (loss)						$ 20.5
Net Investment Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Commercial Paper Amount Outstanding			$ 335.5	$ 228.9

[1]

2017 (Millions of Dollars)   Gain (Loss)  Recorded in OCI   Classification of Gain (Loss) Reclassified from OCI to Income   Gain (Loss) Reclassified from OCI to Income (Effective Portion)   Gain (Loss) Recognized in Income (Ineffective Portion*) Interest Rate Contracts   $ (8.4 )   Interest expense   $ —
  $ —
Foreign Exchange Contracts   $ (66.6 )   Cost of sales   $ 8.4
  $ —
* Includes ineffective portion and amount excluded from effectiveness testing on derivatives.
A summary of the pre-tax effect of cash flow hedge accounting on the Consolidated Statements of Operations for 2019 and 2018 is as follows:   2019   2018 (Millions of dollars) Cost of Sales   Interest Expense   Cost of Sales   Interest Expense Total amount in the Consolidated Statements of Operations in which the effects of the cash flow hedges are recorded $ 9,636.7
  $ 284.3
  $ 9,131.3
  $ 277.9
Gain (loss) on cash flow hedging relationships:
 
        Foreign Exchange Contracts:
 
        Hedged Items $ 6.5
  $ —
  $ 17.9
  $ —
Gain (loss) reclassified from OCI into Income $ (6.5 )   $ —
  $ (17.9 )   $ —
Interest Rate Swap Agreements:
 
        Gain (loss) reclassified from OCI into Income ¹ $ —
  $ (16.2 )   $ —
  $ (15.3 ) ¹ Inclusive of the gain/loss amortization on terminated derivative financial instruments.