Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - USD ($) $ in Millions	9 Months Ended
	Sep. 28, 2019	Feb. 01, 2032	Dec. 29, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Document Period End Date	Sep. 28, 2019
Derivative Liability, Fair Value, Gross Liability	$ 972.9
Business Combination, Contingent Consideration, Liability, Noncurrent	190.2		$ 169.2
Sensitivity Analysis of Fair Value, Contingent Consideration Liability, Impact of 10 Percent Adverse Change in Discount Rate	8.0
Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market fund	13.3		4.8
Derivative Asset, Fair Value, Gross Asset	84.0		32.9
Derivative Liability, Fair Value, Gross Liability	98.6		21.3
non derivative hedging instrument	874.3		228.9
Business Combination, Contingent Consideration, Liability, Noncurrent	190.2		169.2
Level 1 | Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market fund	13.3		4.8
Derivative Asset, Fair Value, Gross Asset	0.0		0.0
Derivative Liability, Fair Value, Gross Liability	0.0		0.0
non derivative hedging instrument	0.0		0.0
Business Combination, Contingent Consideration, Liability, Noncurrent	0.0		0.0
Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market fund	0.0		0.0
Derivative Liability, Fair Value, Gross Liability			21.3
non derivative hedging instrument	874.3		228.9
Business Combination, Contingent Consideration, Liability, Noncurrent	0.0		0.0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Money market fund	0.0		0.0
Derivative Asset, Fair Value, Gross Asset	0.0		0.0
Derivative Liability, Fair Value, Gross Liability	0.0		0.0
non derivative hedging instrument	0.0		0.0
Business Combination, Contingent Consideration, Liability, Noncurrent	190.2		169.2
Forecast [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Business Combination, Contingent Consideration, Liability, Noncurrent		$ 134.5
Not Designated as Hedging Instrument [Member] | Fair Value, Inputs, Level 2 [Member] | Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset, Fair Value, Gross Asset	84.0		32.9
Derivative Liability, Fair Value, Gross Liability	$ 98.6		$ 250.2