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LONG-TERM DEBT AND FINANCING ARRANGEMENTS (Detail) - USD ($) $ / shares in Units, $ in Millions |  | 3 Months Ended | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 15, 2018 | Dec. 28, 2019 | Dec. 30, 2017 | Jul. 01, 2017 | Dec. 28, 2019 | Dec. 29, 2018 | Dec. 30, 2017 | Jan. 03, 2015 | Sep. 29, 2018 | Sep. 30, 2017 | Apr. 01, 2017 | Dec. 28, 2013 | Jul. 31, 2012
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | $ 3,500.0 |  |  | $ 3,500.0 |  |  |  |  |  |  |  |
Preferred Stock, Liquidation Preference Per Share |  | $ 1,000 |  | $ 1,000 | $ 1,000 |  |  |  |  | $ 1,000 |  |  |
Equity Units Conversion Rate Number Of Common Stock Shares |  | 0.6272 | 0.7279 | 0.7241 |  |  |  |  |  |  |  |  |
Gain (Loss) on Extinguishment of Debt |  |  |  |  | $ 17.9 | $ 0.0 | $ 0.0 | $ (0.1) |  |  |  |  |
Amortization of Debt Discount (Premium) |  |  |  |  |  |  |  | $ 0.3 |  |  |  |  |
Fair Value Adjustment Of Interest Rate Swap |  | $ (16.4) |  |  | (16.4) |  |  |  |  |  |  |  |
Less: Current maturities of long-term debt |  | (3.1) | $ (977.5) |  | (3.1) | (2.5) | (977.5) |  |  |  |  |  |
Long-Term Debt |  | 3,176.4 |  |  | 3,176.4 | 3,819.8 |  |  |  |  |  |  |
Proceeds from Issuance of Long-term Debt |  |  |  |  | 990.0 |  |  |  |  |  |  |  |
Unamortized Debt Issuance Expense |  | 0.9 |  |  | 0.9 |  |  |  |  |  |  |  |
Preferred Stock, Value, Issued |  | 1,500.0 |  |  | 1,500.0 | 750.0 |  |  |  |  |  |  |
Debt Instrument, Face Amount |  | 3,204.3 |  |  | 3,204.3 |  |  |  |  |  |  |  |
Unamortized debt discount |  | (1.9) |  |  | (1.9) |  |  |  |  |  |  |  |
Interest expense |  |  |  |  | 284.3 | 277.9 | 222.6 |  |  |  |  |  |
Debt issuance costs |  |  |  |  | 9.1 |  |  |  |  |  |  |  |
Repayments of Long-term Debt |  |  |  |  | 1,150.0 | 977.5 | 2.8 |  |  |  |  |  |
Deferred (Gain) Loss on Discontinuation of Fair Value Hedge |  | (14.5) |  |  | (14.5) |  |  |  |  |  |  |  |
Fair Value Adjustment Of Debt |  | 9.0 |  |  | 9.0 |  |  |  |  |  |  |  |
Debt Issuance Costs, Net |  | (17.4) |  |  | (17.4) |  |  |  |  |  |  |  |
Long-term Debt and Lease Obligation, Including Current Maturities |  | 3,179.5 |  |  | 3,179.5 | 3,822.3 |  |  |  |  |  |  |
Stock Issued During Period, Value, Treasury Stock Reissued |  |  |  |  | 146.0 | 38.5 | $ 90.8 |  |  |  |  |  |
Commercial Paper Maximum Borrowing Capacity |  | 3,000.0 |  |  | 3,000.0 |  |  |  | $ 3,000.0 |  | $ 3,000.0 |  |
Commercial Paper Amount Outstanding |  | 335.5 |  |  | 335.5 | 228.9 |  |  |  |  |  |  |
Notes Payable due 2022 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, including current maturities |  | 752.3 |  |  | 752.3 | $ 751.6 |  |  |  |  |  |  |
Debt Instrument, Face Amount |  | 754.3 |  |  | 754.3 |  |  |  |  |  |  |  |
Unamortized debt discount |  | (0.2) |  |  | (0.2) |  |  |  |  |  |  |  |
Debt Issuance Costs, Net |  | (1.8) |  |  | (1.8) |  |  |  |  |  |  |  |
Notes Payable due 2022 [Member] | Fixedto Floating Interest Rate Swaps Terminated [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred (Gain) Loss on Discontinuation of Fair Value Hedge |  | 0.0 |  |  | 0.0 |  |  |  |  |  |  |  |
Fair Value Adjustment Of Debt |  | 0.0 |  |  | 0.0 |  |  |  |  |  |  |  |
Notes 2 Point 3 Percent Due in 2026 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, including current maturities |  | $ 496.5 |  |  | $ 496.5 |  |  |  |  |  |  |  |
Long-term debt, interest rate |  | 3.40% |  |  | 3.40% |  |  |  |  |  |  |  |
Debt Issuance Costs, Net |  | $ (2.9) |  |  | $ (2.9) |  |  |  |  |  |  |  |
Notes 2 Point 3 Percent Due in 2026 [Member] | Fixed To Floating Interest Rate Swap [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  | 500.0 |  |  | 500.0 |  |  |  |  |  |  |  |
Unamortized debt discount |  | (0.6) |  |  | (0.6) |  |  |  |  |  |  |  |
Deferred (Gain) Loss on Discontinuation of Fair Value Hedge |  | 0.0 |  |  | 0.0 |  |  |  |  |  |  |  |
Liabilities, Fair Value Adjustment |  |  |  |  | 0.0 |  |  |  |  |  |  |  |
Fair Value Adjustment Of Debt |  | 0.0 |  |  | 0.0 |  |  |  |  |  |  |  |
Notes 2 Point 45 Percent due 2018 [Member] [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, interest rate |  |  | 2.45% |  |  | 2.45% | 2.45% |  |  |  |  |  |
Notes 1 Point 62 Percent due 2018 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, interest rate |  |  |  |  |  | 1.62% |  |  |  |  |  |  |
Convertible Notes Payable two Point four Five Percent Due Twenty Eighteen [Member] [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Interest expense |  |  |  |  |  |  | $ 15.5 |  |  |  |  |  |
Notes payable due 2028 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, including current maturities |  | $ 168.3 |  |  | $ 168.3 | $ 170.4 |  |  |  |  |  |  |
Long-term debt, interest rate |  | 7.05% |  |  | 7.05% | 7.05% |  |  |  |  |  |  |
Debt Issuance Costs, Net |  | $ 0.0 |  |  | $ 0.0 |  |  |  |  |  |  |  |
Notes payable due 2028 | Fixed To Floating Interest Rate Swap [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Fair Value Adjustment Of Interest Rate Swap |  | (9.0) |  |  | (9.0) |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  | 150.0 |  |  | 150.0 |  |  |  |  |  |  |  |
Deferred (Gain) Loss on Discontinuation of Fair Value Hedge |  | 9.3 |  |  | 9.3 |  |  |  |  |  |  |  |
Fair Value Adjustment Of Debt |  | 9.0 |  |  | 9.0 |  |  |  |  |  |  |  |
Notes 4 Point 25 Percent Due 2028 [Member] [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, interest rate |  |  |  |  |  | 4.25% |  |  |  |  |  |  |
note 4 point [Domain] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, including current maturities |  | $ 495.8 |  |  | $ 495.8 | $ 495.7 |  |  |  |  |  |  |
Long-term debt, interest rate |  | 4.25% |  |  | 4.25% |  |  |  |  |  |  |  |
Debt Issuance Costs, Net |  | $ (3.9) |  |  | $ (3.9) |  |  |  |  |  |  |  |
note 4 point [Domain] | Fixed To Floating Interest Rate Swap [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  | 500.0 |  |  | 500.0 |  |  |  |  |  |  |  |
Unamortized debt discount |  | (0.3) |  |  | (0.3) |  |  |  |  |  |  |  |
Deferred (Gain) Loss on Discontinuation of Fair Value Hedge |  | 0.0 |  |  | 0.0 |  |  |  |  |  |  |  |
Fair Value Adjustment Of Debt |  | 0.0 |  |  | 0.0 |  |  |  |  |  |  |  |
Notes 5 Point 20 Percent Due 2040 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, including current maturities |  | $ 366.5 |  |  | $ 366.5 | $ 364.9 |  |  |  |  |  |  |
Long-term debt, interest rate |  | 5.20% |  |  | 5.20% | 5.20% |  |  |  |  |  |  |
Unamortized debt discount |  | $ (0.2) |  |  | $ (0.2) |  |  |  |  |  |  |  |
Deferred (Gain) Loss on Discontinuation of Fair Value Hedge |  | (30.5) |  |  | (30.5) |  |  |  |  |  |  |  |
Fair Value Adjustment Of Debt |  | 0.0 |  |  | 0.0 |  |  |  |  |  |  |  |
Debt Issuance Costs, Net |  | (2.8) |  |  | (2.8) |  |  |  |  |  |  |  |
Notes 5 Point 20 Percent Due 2040 [Member] | Fixed To Floating Interest Rate Swap [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  | 400.0 |  |  | 400.0 |  |  |  |  |  |  |  |
Notes 4 Point 85 Percent Due 2048 [Member] [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, including current maturities |  | $ 494.1 |  |  | $ 494.1 | $ 494.4 |  |  |  |  |  |  |
Long-term debt, interest rate |  | 4.85% |  |  | 4.85% | 4.85% |  |  |  |  |  |  |
Unamortized debt discount |  | $ (0.5) |  |  | $ (0.5) |  |  |  |  |  |  |  |
Deferred (Gain) Loss on Discontinuation of Fair Value Hedge |  | 0.0 |  |  | 0.0 |  |  |  |  |  |  |  |
Fair Value Adjustment Of Debt |  | 0.0 |  |  | 0.0 |  |  |  |  |  |  |  |
Debt Issuance Costs, Net |  | (5.4) |  |  | (5.4) |  |  |  |  |  |  |  |
Notes 4 Point 85 Percent Due 2048 [Member] [Member] | Fixed To Floating Interest Rate Swap [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  | 500.0 |  |  | 500.0 |  |  |  |  |  |  |  |
Notes payable due 2052 (junior subordinated) |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, including current maturities |  | $ 0.0 |  |  | $ 0.0 | $ 731.6 |  |  |  |  |  |  |
Long-term debt, interest rate |  | 5.75% |  |  | 5.75% | 5.75% |  |  |  |  |  |  | 5.75%
Debt Instrument, Face Amount |  | $ 0.0 |  |  | $ 0.0 |  |  |  |  |  |  |  |
Repayments of Long-term Debt |  |  |  |  | 760.5 |  |  |  |  |  |  |  |
Debt Issuance Costs, Net |  | 0.0 |  |  | 0.0 |  |  |  |  |  |  |  |
Notes payable due 2052 (junior subordinated) | Fixed To Floating Interest Rate Swap [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Unamortized debt discount |  | 0.0 |  |  | 0.0 |  |  |  |  |  |  |  |
Notes payable due 2052 (junior subordinated) | Fixedto Floating Interest Rate Swaps Terminated [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred (Gain) Loss on Discontinuation of Fair Value Hedge |  | 0.0 |  |  | 0.0 |  |  |  |  |  |  |  |
Fair Value Adjustment Of Debt |  | 0.0 |  |  | 0.0 |  |  |  |  |  |  |  |
Notes 7 Point 08 Percent due 2053 [Member] [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (Loss) on Extinguishment of Debt |  |  |  |  | (3.2) |  |  |  |  |  |  |  |
Long-term debt, including current maturities |  | $ 0.0 |  |  | $ 0.0 | $ 396.7 |  |  |  |  |  |  |
Long-term debt, interest rate |  | 7.08% |  |  | 7.08% | 5.75% |  |  |  |  |  |  |
Debt Instrument, Face Amount |  | $ 0.0 |  |  | $ 0.0 |  |  |  |  |  |  |  |
Debt Issuance Costs, Net |  | 0.0 |  |  | 0.0 |  |  |  |  |  |  |  |
Write off of Deferred Debt Issuance Cost |  |  |  |  | 7.8 |  |  |  |  |  |  |  |
Notes 7 Point 08 Percent due 2053 [Member] [Member] | Fixed To Floating Interest Rate Swap [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Unamortized debt discount |  | 0.0 |  |  | 0.0 |  |  |  |  |  |  |  |
Deferred (Gain) Loss on Discontinuation of Fair Value Hedge |  | 0.0 |  |  | 0.0 |  |  |  |  |  |  |  |
Fair Value Adjustment Of Debt |  | 0.0 |  |  | 0.0 |  |  |  |  |  |  |  |
Other, payable in varying amounts through 2021 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, including current maturities |  | 0.0 |  |  | 0.0 | $ 7.9 |  |  |  |  |  |  |
Debt Instrument, Face Amount |  | 0.0 |  |  | 0.0 |  |  |  |  |  |  |  |
Debt Issuance Costs, Net |  | $ 0.0 |  |  | $ 0.0 |  |  |  |  |  |  |  |
Other, payable in varying amounts through 2021 | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, interest rate |  | 0.00% |  |  | 0.00% | 0.00% |  |  |  |  |  |  |
Other, payable in varying amounts through 2021 | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, interest rate |  | 4.50% |  |  | 4.50% | 4.50% |  |  |  |  |  |  |
Other, payable in varying amounts through 2021 | Fixed To Floating Interest Rate Swap [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Unamortized debt discount |  | $ 0.0 |  |  | $ 0.0 |  |  |  |  |  |  |  |
Other, payable in varying amounts through 2021 | Fixedto Floating Interest Rate Swaps Terminated [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred (Gain) Loss on Discontinuation of Fair Value Hedge |  | 0.0 |  |  | 0.0 |  |  |  |  |  |  |  |
Fair Value Adjustment Of Debt |  | $ 0.0 |  |  | $ 0.0 |  |  |  |  |  |  |  |
Notes 3 Point 4 Percent Due in 2021 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, interest rate |  | 3.40% |  |  | 3.40% | 3.40% |  |  |  |  |  |  |
Debt Issuance Costs, Net |  | $ (0.6) |  |  | $ (0.6) |  |  |  |  |  |  |  |
Notes 3 Point 4 Percent Due in 2021 [Member] | Fixed To Floating Interest Rate Swap [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  | 400.0 |  |  | 400.0 |  |  |  |  |  |  |  |
Unamortized debt discount |  | (0.1) |  |  | (0.1) |  |  |  |  |  |  |  |
Notes 3 Point 4 Percent Due in 2021 [Member] | Fixedto Floating Interest Rate Swaps Terminated [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred (Gain) Loss on Discontinuation of Fair Value Hedge |  | 6.7 |  |  | 6.7 |  |  |  |  |  |  |  |
Fair Value Adjustment Of Debt |  | 0.0 |  |  | 0.0 |  |  |  |  |  |  |  |
Notes payable due 2021 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, including current maturities |  | 406.0 |  |  | 406.0 | $ 409.1 |  |  |  |  |  |  |
Notes 7 Point 05 Percent Due in 2028 [Member] | Fixed To Floating Interest Rate Swap [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Unamortized debt discount |  | $ 0.0 |  |  | $ 0.0 |  |  |  |  |  |  |  |
Notes paybable due 2022 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, interest rate |  | 2.90% |  |  | 2.90% | 2.90% |  |  |  |  |  |  |
Unamortized debt discount |  | $ (0.2) |  |  | $ (0.2) |  |  |  |  |  |  |  |
Notes Payable Maturities 2028 [Member] [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  | 500.0 |  |  | 500.0 |  |  |  |  |  |  |  |
Notes Payable Maturities 2048 [Member] [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  | 500.0 |  |  | 500.0 |  |  |  |  |  |  |  |
Notes 5 Point 75 Percent due 2053 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, including current maturities |  |  |  |  |  |  |  |  |  |  |  | $ 400.0 |
Long-term debt, interest rate |  |  |  |  |  |  |  |  |  |  |  | 5.75% |
Repayments of Long-term Debt |  |  |  |  | 405.7 |  |  |  |  |  |  |  |
Notes 2 Point 3 Percent Due in 2030 [Member] | Fixed To Floating Interest Rate Swap [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  | $ 750.0 |  |  | $ 750.0 |  |  |  |  |  |  |  |
Notes 4 Point 0 Percent Due in 2060 [Member] | Fixed To Floating Interest Rate Swap [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, interest rate |  | 4.00% |  |  | 4.00% |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  | $ 750.0 |  |  | $ 750.0 |  |  |  |  |  |  |  |
Junior Subordinated Debt [Member] | Fixed To Floating Interest Rate Swap [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Long-term Debt |  |  |  |  | 1,487.0 |  |  |  |  |  |  |  |
Debt issuance costs |  |  |  |  | 13.4 |  |  |  |  |  |  |  |
London Interbank Offered Rate (LIBOR) [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate | 4.304% |  |  |  |  |  |  |  |  |  |  |  |
5 Year Credit Facility [Member] [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Current Borrowing Capacity |  |  |  |  |  |  |  |  | 2,000.0 |  |  |  |
Committed Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of Credit Facility Foreign Currency Sublimit |  |  |  |  |  |  |  |  | 653.3 |  |  |  |
Line of Credit [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | $ 521.2 |  |  | $ 521.2 |  |  |  |  |  |  |  |
2018 Credit Agreement [Member] [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Current Borrowing Capacity |  |  |  |  |  |  |  |  | $ 1,000.0 |  |  |  |
Euro Member Countries, Euro | Line of Credit [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Short-term Debt, Weighted Average Interest Rate, at Point in Time |  | 0.30% |  |  | 0.30% | 0.03% |  |  |  |  |  |  |
United States of America, Dollars | Line of Credit [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Short-term Debt, Weighted Average Interest Rate, at Point in Time |  | 2.30% |  |  | 2.30% |  |  |  |  |  |  |  |
Net Investment Hedging |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial Paper Amount Outstanding |  | $ 335.5 |  |  | $ 335.5 | $ 228.9 |  |  |  |  |  |  |
Cash Flow Hedging [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [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] | Notes 7 Point 08 Percent due 2053 [Member] [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net |  |  |  |  | $ 4.6 |  |  |  |  |  |  |  |

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