Short-term and Long-term Debt - Short-term and Long-term Debt (Detail) - USD ($) $ in Millions	Jul. 01, 2017	Dec. 31, 2016
Schedule Of Debt Instruments [Line Items]
Other debt	$ 105.8	$ 160.2
Unsecured notes	250.0	150.0
Long-term debt including current maturities	1,105.8	1,010.2
Less: notes payable and current maturities of long-term debt:
Current maturities of long-term debt	(250.0)	(150.0)
Commercial paper borrowings	(83.5)	(130.0)
Other notes	(16.7)	(21.4)
Notes payable and current maturities of long-term debt	(350.2)	(301.4)
Total long-term debt	755.6	708.8
Long-term debt including current maturities	1,105.8	1,010.2
5.50% Unsecured Notes Due 2017 [Member]
Schedule Of Debt Instruments [Line Items]
Unsecured notes		150.0
Less: notes payable and current maturities of long-term debt:
Current maturities of long-term debt		(150.0)
4.25% Unsecured Notes Due 2018 [Member]
Schedule Of Debt Instruments [Line Items]
Unsecured notes	250.0	250.0
6.70% Unsecured Notes Due 2019 [Member]
Schedule Of Debt Instruments [Line Items]
Unsecured notes	200.0	200.0
6.125% Unsecured Notes Due 2021 [Member]
Schedule Of Debt Instruments [Line Items]
Unsecured notes	250.0	$ 250.0
3.25% Unsecured Notes Due 2027 [Member]
Schedule Of Debt Instruments [Line Items]
Unsecured notes	$ 300.0