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Short-term and Long-term Debt - Summary (Detail) - USD ($) $ in Millions	Sep. 28, 2019	Dec. 29, 2018
Schedule Of Debt Instruments [Line Items]
Other debt	$ 229.8	$ 182.3
Long-term debt including current maturities	1,179.8	1,132.3
Less: notes payable
Commercial paper borrowings	(218.8)	(177.1)
Other notes	(13.5)	(9.2)
Notes payable and current maturities of long-term debt	(232.3)	(186.3)
Total long-term debt	$ 947.5	946.0
6.125% unsecured notes due 2021
Schedule Of Debt Instruments [Line Items]
Unsecured notes, interest rate	6.125%
Noncurrent unsecured notes	$ 250.0	250.0
3.25% unsecured notes due 2027
Schedule Of Debt Instruments [Line Items]
Unsecured notes, interest rate	3.25%
Noncurrent unsecured notes	$ 300.0	300.0
4.10% unsecured notes due 2048
Schedule Of Debt Instruments [Line Items]
Unsecured notes, interest rate	4.10%
Noncurrent unsecured notes	$ 400.0	$ 400.0

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