Net Periodic Benefit Cost - Defined Benefit Plans (Components Of Net Periodic Benefit Cost) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 30, 2012	Apr. 01, 2011
Other Post-Retirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 0.5	$ 0.3
Interest cost	2.7	1.5
Amortization of actuarial loss	1.0	0.9
Amortization of prior service costs / credits	(1.4)	(1.4)
Net periodic cost	2.8	1.3
U.S. Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	1.5	1.6
Interest cost	24.9	17.3
Expected return on plan assets	(32.2)	(22.4)
Amortization of actuarial loss	9.5	7.3
Amortization of prior service costs / credits
Net periodic cost	3.7	3.8
Non-U.S. Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	5.7	3.2
Interest cost	10.7	8.0
Expected return on plan assets	(8.1)	(5.1)
Amortization of actuarial loss	1.2	0.7
Amortization of prior service costs / credits	(0.1)	(0.1)
Settlement loss recognized	0.9
Net periodic cost	$ 10.3	$ 6.7