Summary of Financial Instruments Carrying and Fair Values (Detail) - USD ($) $ in Millions	Jul. 02, 2016	Jan. 02, 2016
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments, Fair Value Disclosure	$ 10.7	$ 11.7
Long-term debt, including current maturities	3,820.9	3,797.2
Long-term Debt, Fair Value	4,193.2	4,034.4
Derivative assets	145.8	79.3
Derivative liabilities	207.0	96.1
Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments, Fair Value Disclosure	10.3	11.7
Long-term debt, including current maturities	3,820.9	3,797.2
Derivative assets	145.8	79.3
Derivative liabilities	$ 207.0	$ 96.1