Short-term and Long-term Debt - Summary of Short-term and Long-term Debt (Detail) - USD ($) $ in Millions	Jan. 01, 2022	Jan. 02, 2021	Apr. 27, 2020
Schedule Of Debt Instruments [Line Items]
Long-term debt, gross	$ 1,200.3	$ 1,450.6
Less: notes payable and current maturities of long-term debt:
Current maturities of long-term debt	0.0	(250.0)
Current maturities of long-term debt	(17.4)	(268.5)
Long-term debt	1,182.9	1,182.1
Other notes
Less: notes payable and current maturities of long-term debt:
Other notes	(17.4)	(18.5)
Other Debt
Schedule Of Debt Instruments [Line Items]
Long-term debt, gross	$ 0.3	0.6
6.125% unsecured notes due 2021
Schedule Of Debt Instruments [Line Items]
Unsecured notes, interest rate	6.125%
6.125% unsecured notes due 2021 | Unsecured Debt
Schedule Of Debt Instruments [Line Items]
Long-term debt, gross	$ 0.0	250.0
3.25% unsecured notes due 2027
Schedule Of Debt Instruments [Line Items]
Unsecured notes, interest rate	3.25%
3.25% unsecured notes due 2027 | Unsecured Debt
Schedule Of Debt Instruments [Line Items]
Long-term debt, gross	$ 300.0	300.0
4.10% unsecured notes due 2048
Schedule Of Debt Instruments [Line Items]
Unsecured notes, interest rate	4.10%
4.10% unsecured notes due 2048 | Unsecured Debt
Schedule Of Debt Instruments [Line Items]
Long-term debt, gross	$ 400.0	400.0
3.10% unsecured notes due 2050
Schedule Of Debt Instruments [Line Items]
Unsecured notes, interest rate	3.10%
3.10% unsecured notes due 2050 | Unsecured Debt
Schedule Of Debt Instruments [Line Items]
Unsecured notes, interest rate			3.10%
Long-term debt, gross	$ 500.0	$ 500.0