Defined Benefit Plans (Components Of Net Periodic Benefit Cost Of Defined Benefit Pension Pans) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Apr. 01, 2016
U.S. pension benefits
Defined Benefit Plan Disclosure
Service cost	$ 1.9	$ 2.3
Interest cost	21.0	22.7
Expected return on plan assets	(32.9)	(33.3)
Amortization of actuarial loss	6.6	6.0
Curtailment gain recognized	0.0	(0.7)
Net periodic pension cost	(3.4)	(3.0)
Non-U.S. pension benefits
Defined Benefit Plan Disclosure
Service cost	7.7	8.8
Interest cost	6.3	8.6
Expected return on plan assets	(10.2)	(10.4)
Amortization of actuarial loss	1.9	2.0
Amortization of prior service credit	(0.1)	(0.1)
Net periodic pension cost	$ 5.6	$ 8.9