Summary of Financial Instruments Carrying and Fair Values (Detail) - USD ($) $ in Millions	Oct. 03, 2015	Jan. 03, 2015
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Money Market Funds, at Carrying Value	$ 10.2	$ 9.9
Investments, Fair Value Disclosure	11.9	11.9
Long-term debt, including current maturities	4,230.5	4,323.8
Derivative assets	109.2	144.2
Derivative liabilities	98.7	148.4
Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Money Market Funds, at Carrying Value	10.2	9.9
Other Investments and Securities, at Cost	11.7	11.7
Long-term debt, including current maturities	3,852.3	3,845.7
Derivative assets	109.2	144.2
Derivative liabilities	$ 98.7	$ 148.4