Short-term and Long-term Debt - Short-term and Long-term Debt (Detail) - USD ($) $ in Millions	Oct. 01, 2016	Jan. 02, 2016
Schedule Of Debt Instruments [Line Items]
Other debt	$ 46.0	$ 30.1
Long-term debt including current maturities	896.0	880.1
Less: notes payable and current maturities of long-term debt	(182.6)	(18.4)
Total long-term debt	713.4	861.7
Long-term debt including current maturities	896.0	880.1
5.50% Unsecured Notes Due 2017 [Member]
Schedule Of Debt Instruments [Line Items]
Unsecured notes	150.0	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