Components of Net Periodic Benefit Cost (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 02, 2016	Jul. 04, 2015	Jul. 02, 2016	Jul. 04, 2015
Defined Benefit Plan Disclosure [Line Items]
Change in Accounting Estimate, Description	$ 3.5		$ 7.1
Document Period End Date			Jul. 02, 2016
Pension Benefit, U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	2.4	$ 1.9	$ 4.7	$ 3.5
Interest cost	11.4	13.6	22.7	26.9
Expected return on plan assets	(17.0)	(18.7)	(33.9)	(37.4)
Amortization of prior service cost (credit)	1.3	0.2	2.6	0.4
Defined Benefit Plan, Amortization of Gains (Losses)	1.8	2.2	3.5	3.9
Curtailment loss			0.0	0.0
Net periodic benefit cost	(0.1)	(0.8)	(0.4)	(2.7)
Pension Benefits, Non-U.S Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	3.2	3.6	6.4	7.2
Interest cost	9.8	12.0	19.4	23.8
Expected return on plan assets	(11.8)	(14.2)	(23.5)	(28.2)
Amortization of prior service cost (credit)	0.0	0.1	0.1	0.2
Defined Benefit Plan, Amortization of Gains (Losses)	1.6	2.1	3.1	4.2
Curtailment loss			0.1	0.3
Net periodic benefit cost	2.8	3.6	5.6	7.5
Other Benefits, U.S Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	0.1	0.2	0.3	0.3
Interest cost	0.4	0.5	0.8	1.1
Expected return on plan assets	0.0	0.0	0.0	0.0
Amortization of prior service cost (credit)	(0.3)	(0.3)	(0.6)	(0.6)
Defined Benefit Plan, Amortization of Gains (Losses)	0.0	0.0	0.0	0.0
Curtailment loss			0.0	0.0
Net periodic benefit cost	$ 0.2	$ 0.4	$ 0.5	$ 0.8