Short-term and Long-term Debt - Additional Information (Detail)			3 Months Ended		12 Months Ended
	Mar. 22, 2018 USD ($)	Feb. 15, 2017 USD ($)	Mar. 31, 2018 USD ($) revision	Apr. 01, 2017 USD ($)	Dec. 30, 2017 USD ($)	Feb. 20, 2018 USD ($)
Schedule Of Debt Instruments [Line Items]
Notes payable and current maturities of long-term debt			$ 145,200,000		$ 433,200,000
Commercial paper outstanding			132,000,000		151,000,000
Other notes payable			13,200,000		32,200,000
Loss on early extinguishment of debt			7,800,000	$ 0
Proceeds from sale of unsecured long-term notes			395,400,000	$ 297,800,000
2019 Notes
Schedule Of Debt Instruments [Line Items]
Debt instrument, repurchase amount						$ 26,100,000
Payment for debt extinguishment	$ 209,100,000
Accrued interest	1,500,000
Loss on early extinguishment of debt	$ 7,800,000
4.25% unsecured notes due 2018
Schedule Of Debt Instruments [Line Items]
Debt instrument, face amount					$ 250,000,000
Unsecured notes, interest rate					4.25%
Unsecured notes, maturity period					Jan. 16, 2018
6.70% unsecured notes due 2019
Schedule Of Debt Instruments [Line Items]
Unsecured notes, interest rate					6.70%
Unsecured notes			0		$ 200,000,000
Four Point One Zero Percentage Unsecured Notes Due Two Thousand Forty Eight [Member]
Schedule Of Debt Instruments [Line Items]
Debt instrument, face amount						$ 400,000,000
Unsecured notes, interest rate						4.10%
Proceeds from sale of unsecured long-term notes			395,400,000
Transaction costs			$ 3,500,000
3.25% unsecured notes due 2027
Schedule Of Debt Instruments [Line Items]
Debt instrument, face amount		$ 300,000,000
Unsecured notes, interest rate		3.25%
Unsecured notes, maturity period		Mar. 01, 2027
Proceeds from sale of unsecured long-term notes		$ 297,800,000
Transaction costs		$ 1,900,000
Five-year Multi-Currency Revolving Credit Facility
Schedule Of Debt Instruments [Line Items]
Debt maturity term			5 years
Revolving credit facility, amount available			$ 700,000,000
Revolving credit facility, termination date			Dec. 15, 2020
Revolving credit facility, outstanding amount			$ 0
Number of allowed revisions to debt ratios | revision			2
Actual debt-to-capital ratio			0.24
Actual debt-to-income ratio			1.04
Debt instrument, restrictive covenants			(i) a ratio not greater than 0.60 to 1.00 of consolidated net debt (consolidated debt net of certain cash adjustments) to the sum of such consolidated net debt plus total equity and less accumulated other comprehensive income or loss (the “Debt Ratio”); or (ii) a ratio not greater than 3.50 to 1.00 of such consolidated net debt to earnings before interest, taxes, depreciation, amortization and certain other adjustments for the preceding four fiscal quarters then ended (the “Debt to EBITDA Ratio”)
Five-year Multi-Currency Revolving Credit Facility | Maximum
Schedule Of Debt Instruments [Line Items]
Maximum limit of required debt-to-capital ratio			0.6
Maximum limit of required debt-to-income ratio			3.5
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			3.75