Defined Benefit Plans (Components Of Net Periodic Benefit Cost Of Defined Benefit Pension Pans) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 01, 2016	Jul. 03, 2015	Jul. 01, 2016	Jul. 03, 2015
U.S. pension benefits
Defined Benefit Plan Disclosure
Service cost	$ 2.3	$ 1.5	$ 4.6	$ 3.0
Interest cost	22.7	24.5	45.4	48.6
Expected return on plan assets	(33.3)	(33.4)	(66.6)	(66.2)
Amortization of actuarial loss	6.0	6.5	12.0	13.0
Curtailment gain recognized	0.0	0.0	(0.7)	0.0
Net periodic pension cost	(2.3)	(0.9)	(5.3)	(1.6)
Non-U.S. pension benefits
Defined Benefit Plan Disclosure
Service cost	10.0	11.1	19.6	22.4
Interest cost	10.7	8.6	21.2	17.2
Expected return on plan assets	(12.6)	(9.5)	(25.0)	(19.0)
Amortization of actuarial loss	3.3	4.1	6.6	8.5
Amortization of prior service credit	(0.1)	0.0	(0.2)	(0.1)
Settlement gain (loss) recognized	0.1	(0.1)	0.1	(0.5)
Net periodic pension cost	$ 11.4	$ 14.2	$ 22.3	$ 28.5