Summary of Financial Instruments Carrying and Fair Values (Detail) - USD ($)	6 Months Ended
	Jul. 01, 2017	Mar. 01, 2032	Feb. 01, 2032	Dec. 31, 2016
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Document Period End Date	Jul. 01, 2017
Investments, Fair Value Disclosure	$ 9,400,000			$ 9,200,000
Long-term debt, including current maturities	3,825,900,000			3,823,100,000
Long-term Debt, Fair Value	4,023,900,000			3,967,400,000
Derivative assets	24,100,000			110,200,000
Derivative liabilities	563,300,000			97,600,000
Carrying Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investments, Fair Value Disclosure	8,900,000			8,900,000
Long-term debt, including current maturities	3,825,900,000			3,823,100,000
Derivative assets	24,100,000			110,200,000
Derivative liabilities	$ 563,300,000			$ 97,600,000
Scenario, Forecast [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Business Combination, Contingent Consideration Percent of Sales, Liability, Noncurrent		3.00%
Business Combination, Contingent Consideration, Liability, Noncurrent			$ 84,000,000.000
Scenario, Forecast [Member] | Minimum [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Business Combination, Contingent Consideration Percent of Sales, Liability, Noncurrent			2.50%
Scenario, Forecast [Member] | Maximum [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Business Combination, Contingent Consideration Percent of Sales, Liability, Noncurrent			3.50%