Debt - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended					3 Months Ended									3 Months Ended
	Mar. 29, 2014	Dec. 31, 2013	Mar. 29, 2014 Senior Notes 5.000% Due 2021	Mar. 29, 2014 Commercial Paper	Dec. 31, 2013 Commercial Paper	Mar. 29, 2014 Subsidiary Issuer	Mar. 29, 2014 Subsidiary Issuer Senior Notes 1.350% Due in 2015	Mar. 29, 2014 Subsidiary Issuer Senior Notes 1.875% Due 2017	Mar. 29, 2014 Subsidiary Issuer Senior Notes 2.650% Due 2019	Mar. 29, 2014 Subsidiary Issuer Senior Notes 5.000% Due 2021	Mar. 29, 2014 Subsidiary Issuer Senior Notes 3.150% Due 2022	Mar. 29, 2014 Credit Facility	Mar. 30, 2013 Credit Facility	Mar. 29, 2014 Other Credit Facilities	Mar. 29, 2014 Maximum	Mar. 29, 2014 Minimum
Debt Instrument [Line Items]
Debt, interest rate							1.35%	1.875%	2.65%	5.00%	3.15%
Debt, maturity year				2017			2015	2017	2019	2021	2022
Debt Instrument, Face Amount			$ 373.0
Ownership percentage						100.00%
Credit facility maximum borrowing capacity													1,450.0	86.2
Debt, Long-term and Short-term, Combined Amount	2,936.6	2,555.1		896.3	528.9
Remaining availability under Credit Facility												539.2
Costs and expenses incurred in connection with acquisition excluded from computation of Net Income figure used in our debt covenant calculation															40.0
Debt agreement financial covenant, leverage ratio															3.00	3.50
Compliance with debt agreement financial covenants	we were in compliance with all financial covenants in our debt agreements
Line of credit facility, amount outstanding														0
Future minimum lease payments	22.3
Imputed interest	1.6
Capital lease obligation cost	41.8	41.7
Accumulated amortization related to assets under capital lease	$ 7.9	$ 7.6