Debt - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	6 Months Ended					6 Months Ended									6 Months Ended
	Jun. 28, 2014	Dec. 31, 2013	Jun. 28, 2014 Senior Notes 5.000% Due 2021	Jun. 28, 2014 Commercial Paper	Dec. 31, 2013 Commercial Paper	Jun. 28, 2014 Subsidiary Issuer	Jun. 28, 2014 Subsidiary Issuer Senior Notes 1.350% Due in 2015	Jun. 28, 2014 Subsidiary Issuer Senior Notes 1.875% Due 2017	Jun. 28, 2014 Subsidiary Issuer Senior Notes 2.650% Due 2019	Jun. 28, 2014 Subsidiary Issuer Senior Notes 5.000% Due 2021	Jun. 28, 2014 Subsidiary Issuer Senior Notes 3.150% Due 2022	Jun. 28, 2014 Credit Facility	Mar. 30, 2013 Credit Facility	Jun. 28, 2014 Other Credit Facilities	Jun. 28, 2014 Maximum	Jun. 28, 2014 Minimum
Debt Instrument [Line Items]
Debt, interest rate							1.35%	1.875%	2.65%	5.00%	3.15%
Debt Instrument, Face Amount			$ 373.0
Ownership percentage						100.00%
Credit facility maximum borrowing capacity													1,450.0	85.6
Debt, Long-term and Short-term, Combined Amount	2,745.1	2,555.1		701.2	528.9
Remaining availability under Credit Facility												722.3
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														1.5
Future minimum lease payments	9.0
Imputed interest	0.3
Capital lease obligation cost	21.5	41.7
Accumulated amortization related to assets under capital lease	$ 2.3	$ 7.6