Pension, Profit Sharing & Other Post-Retirement Benefits (Details) (Pension Plans, Defined Benefit [Member], USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 0.2	$ 0.1	$ 0.4	$ 0.3
Interest cost	1.8	1.9	5.2	5.6
Expected return on plan assets	(1.9)	(1.8)	(5.3)	(5.3)
Net amortization of actuarial loss	0.2	0.2	0.7	0.6
Net periodic benefit cost	$ 0.3	$ 0.4	$ 1.0	$ 1.2