Defined Benefit Plans (Components Of Net Periodic Benefit Cost Of Defined Benefit Pension Pans) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 02, 2015	Sep. 26, 2014	Oct. 02, 2015	Sep. 26, 2014
U.S. pension benefits
Defined Benefit Plan Disclosure
Service cost	$ 2.4	$ 1.5	$ 5.4	$ 4.5
Interest cost	25.3	26.4	73.9	79.4
Expected return on plan assets	(34.0)	(32.1)	(100.2)	(96.7)
Amortization of actuarial (gain) loss	7.9	4.6	20.9	13.8
Net periodic pension cost	1.6	0.4	0.0	1.0
Non-U.S. pension benefits
Defined Benefit Plan Disclosure
Service cost	11.6	7.6	34.3	23.4
Interest cost	9.7	11.5	27.0	34.9
Expected return on plan assets	(10.9)	(10.5)	(29.9)	(31.6)
Amortization of actuarial (gain) loss	4.3	1.7	12.8	5.2
Amortization of prior service credit	0.0	0.0	(0.1)	0.0
Settlement loss recognized	1.9	0.0	1.4	0.0
Net periodic pension cost	$ 16.6	$ 10.3	$ 45.5	$ 31.9