Pension Plans (Schedule Of Net Periodic Defined Benefit Pension Cost) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 29, 2014	Mar. 30, 2013
Pension and Other Postretirement Benefit Expense [Abstract]
Service cost	$ 0.6	$ 0.7
Interest cost	2.0	1.8
Expected return on plan assets	(2.3)	(2.0)
Amortization of prior service cost and net actuarial loss	0.6	1.1
Net periodic benefit expense	$ 0.9	$ 1.6