Restructuring - Additional Information (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 reserve period expense			$ 86.6
Cost of sales	3,871.5	3,587.5	12,076.8	10,997.6
Selling, general and administrative expenses	128.1	128.6	402.8	386.1
Other expense	16.4	17.3	63.0	38.8
Asset impairment charges			0.9	4.6
Restructuring charges
Restructuring Cost and Reserve [Line Items]
Restructuring reserve period expense			86.6
Cost of sales			71.4
Selling, general and administrative expenses			14.2
Other expense			1.0
Expected restructuring cost	34		34
Employee termination benefits
Restructuring Cost and Reserve [Line Items]
Restructuring reserve period expense			72.9
Intangible asset and property, plant and equipment fair value adjustments
Restructuring Cost and Reserve [Line Items]
Restructuring reserve period expense			0.1
Contract termination costs
Restructuring Cost and Reserve [Line Items]
Restructuring reserve period expense			0.3
Other related costs
Restructuring Cost and Reserve [Line Items]
Restructuring reserve period expense			$ 13.3