Income Taxes (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 27, 2014	Sep. 28, 2013
Income Tax Disclosure [Abstract]
Provision for income taxes	$ 57.6	$ 51.2	$ 163.1	$ 130.2
Effective tax rate	29.10%	32.30%	28.70%	27.20%
Consolidated income before provision for income taxes	197.7	158.7	568.4	479.0
Tax benefits related to restructuring charges			26.8	22.1
Tax benefits related to audit settlements			$ 13.4	$ 21.7
U.S. federal statutory income tax rate			35.00%	35.00%