Short-term and Long-term Debt - Additional Information (Detail)		6 Months Ended	12 Months Ended
	Feb. 15, 2017 USD ($)	Jul. 01, 2017 USD ($)	Dec. 31, 2016 USD ($)
Schedule Of Debt Instruments [Line Items]
Notes payable and current maturities of long-term debt		$ 350,200,000	$ 301,400,000
Other notes payable		16,700,000	21,400,000
Unsecured notes		250,000,000	150,000,000
Commercial paper outstanding		83,500,000	$ 130,000,000
Proceeds from sale of unsecured long-term notes		$ 297,800,000
5.50% Unsecured Notes Due 2017 [Member]
Schedule Of Debt Instruments [Line Items]
Unsecured notes, interest rate		5.50%	5.50%
Unsecured notes, maturity period			Jan. 31, 2017
Unsecured notes			$ 150,000,000
4.25% Unsecured Notes Due 2018 [Member]
Schedule Of Debt Instruments [Line Items]
Unsecured notes		$ 250,000,000	$ 250,000,000
Unsecured notes, interest rate		4.25%	4.25%
Unsecured notes, maturity period		Jan. 15, 2018
3.25% Unsecured Notes Due 2027 [Member]
Schedule Of Debt Instruments [Line Items]
Unsecured notes		$ 300,000,000
Unsecured notes, interest rate	3.25%	3.25%	3.25%
Unsecured notes, maturity period	Mar. 01, 2027
Proceeds from sale of unsecured long-term notes	$ 300,000,000	$ 297,800,000
Transaction costs		$ 1,900,000
Five-year Multi-Currency Revolving Credit Facility [Member]
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
Actual debt-to-capital ratio		0.25
Actual debt-to-income ratio		1.07
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 [Member] | Maximum [Member]
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 [Member] | Maximum [Member] | Material Acquisition [Member]
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