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DERIVATIVE FINANCIAL INSTRUMENTS - Details of Foreign Exchange Contracts Pre-Tax Amounts (Detail) - USD ($) $ in Millions | 9 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 28, 2019 | Dec. 28, 2019 | Dec. 29, 2018 | Dec. 30, 2017 | Mar. 01, 2019 | Feb. 15, 2019
Derivative Instruments and Hedging Activities Disclosure [Line Items] |  |  |  |  |  |  |
Payments for (Proceeds from) Derivative Instrument, Investing Activities |  |  | $ (8.0) | $ (25.7) | $ 23.3 |  |
Foreign Exchange Contracts |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosure [Line Items] |  |  |  |  |  |  |
Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Hedging Activities Effect Net Of Tax |  |  | (97.3) | (63.3) |  |  |
Payments for (Proceeds from) Derivative Instrument, Investing Activities |  |  | 8.0 | 25.7 | 23.3 |  |
Foreign Exchange Contracts | Other, net |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosure [Line Items] |  |  |  |  |  |  |
Amount Recorded in OCI Gain (Loss) |  |  |  |  | (131.3) |  |
Effective Portion Recorded in Income Statement |  |  |  |  | 0.0 |  |
Ineffective Portion Recorded in Income Statement |  |  |  |  | 0.0 |  |
Currency Swap [Member] |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosure [Line Items] |  |  |  |  |  |  |
Derivative, Notional Amount |  |  |  | 250.0 |  |  |
Options Held [Member] |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosure [Line Items] |  |  |  |  |  |  |
Derivative, Notional Amount |  |  |  | 35.1 |  |  |
Cash Flow Hedging [Member] |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosure [Line Items] |  |  |  |  |  |  |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net |  |  | (13.1) | (15.4) | 4.7 |  |
Cash Flow Hedging [Member] | Foreign Exchange Forward |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosure [Line Items] |  |  |  |  |  |  |
Derivative, Notional Amount |  |  | 518.2 | 240.0 |  |  |
Cash Flow Hedging [Member] | Foreign Exchange Contracts |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosure [Line Items] |  |  |  |  |  |  |
Amount Recorded in OCI Gain (Loss) |  |  | 16.7 | (35.9) | 66.6 |  |
Ineffective Portion Recorded in Income Statement | [1] |  | 0.0 | 0.0 | $ 0.0 |  |
Cash Flow Hedging [Member] | Interest Rate Swap [Member] |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosure [Line Items] |  |  |  |  |  |  |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net |  | $ 1.0 |  |  |  |  |
Derivative, Notional Amount |  |  | 400.0 |  |  | $ 250.0 | $ 650.0
Cash Flow Hedging [Member] | Foreign Exchange Option [Member] |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosure [Line Items] |  |  |  |  |  |  |
Derivative, Notional Amount |  |  |  | 370.0 |  |  |
Currency British Pound Sterling [Member] | Foreign Exchange Contracts |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosure [Line Items] |  |  |  |  |  |  |
Derivative, Notional Amount |  |  | 1,400.0 | 262.4 |  |  |
Short-term Debt [Member] | Designated as Hedging Instruments |  |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosure [Line Items] |  |  |  |  |  |  |
Hedging Liabilities, Current |  |  | $ 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.

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