Restructuring - Restructuring Related Costs Included in Selling, General & Administrative expenses on Consolidated Statements of Income (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
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 0	$ 3.3	$ 53.0	$ 49.1
Severance and related costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0	0.8	34.7	40.5
Other
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 0	$ 2.5	$ 18.3	$ 8.6