Pension Plans - Net Periodic Pension Cost (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012
Defined Benefit Plan Disclosure [Line Items]
Settlement loss recognized				$ 6.8
Pension Plan, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	5.2	5.3	15.4	15.8
Interest cost	12.9	12.9	38.7	38.7
Expected return on plan assets	(17.7)	(16.6)	(53.0)	(49.6)
Amortization of unrecognized loss	10.4	10.4	31.1	31.2
Amortization of prior service cost (credit)	(0.2)	0.3	(0.6)	0.9
Settlement loss recognized				6.8
Net periodic pension and postretirement cost	$ 10.6	$ 12.3	$ 31.6	$ 43.8