Short-term and Long-term Debt - Narrative (Detail)	3 Months Ended
	Mar. 28, 2020 USD ($) revision	Dec. 28, 2019 USD ($)	Sep. 16, 2019 USD ($)
Schedule Of Debt Instruments [Line Items]
Notes payable	$ 160,100,000	$ 202,900,000
Other notes payable	10,100,000	9,300,000
Commercial paper outstanding	0	193,600,000
Five-year Multi-Currency Revolving Credit Facility
Schedule Of Debt Instruments [Line Items]
Credit Facility borrowings	$ 150,000,000	$ 0
Revolving credit facility, amount available			$ 800,000,000
Number of allowed revisions to debt ratios | revision	2
Debt maturity, term	5 years
Actual debt-to-capital ratio	0.20
Actual debt-to-income ratio	0.93
Five-year Multi-Currency Revolving Credit Facility | Maximum
Schedule Of Debt Instruments [Line Items]
Maximum limit of required debt-to-capital ratio	0.60
Maximum limit of required debt-to-income ratio	3.50
Five-year Multi-Currency Revolving Credit Facility | Maximum | Material Acquisition
Schedule Of Debt Instruments [Line Items]
Maximum limit of required debt-to-capital ratio	0.65
Maximum limit of required debt-to-income ratio	4.00