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Summary of Financial Instruments Carrying and Fair Values (Detail) - USD ($) $ in Millions | 9 Months Ended |  |
--- | --- | --- | ---
Sep. 28, 2019 | Feb. 01, 2032 | Dec. 29, 2018
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Document Period End Date | Sep. 28, 2019 |  |
Investments, Fair Value Disclosure | $ 6.8 |  | $ 7.7
Long-term debt, including current maturities | 3,911.9 |  | 3,822.3
Long-term Debt, Fair Value | 4,376.5 |  | 3,905.4
Business Combination, Contingent Consideration, Liability, Noncurrent | 190.2 |  | 169.2
Carrying Value |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Investments, Fair Value Disclosure | 6.4 |  | 7.6
Long-term debt, including current maturities | $ 3,911.9 |  | $ 3,822.3
Forecast [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Business Combination, Contingent Consideration, Liability, Noncurrent |  | $ 134.5 |
Forecast [Member] | Minimum [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Business Combination, Contingent Consideration Percent of Sales, Liability, Noncurrent |  | 2.50% |
Forecast [Member] | Maximum [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Business Combination, Contingent Consideration Percent of Sales, Liability, Noncurrent |  | 3.50% |

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