Pension, Profit Sharing & Other Post-Retirement Benefits (Details) (Pension Plans, Defined Benefit [Member], USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 30, 2013		Mar. 31, 2012
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 0.1		$ 0.1
Interest cost	1.7		1.9
Expected return on plan assets	(1.7)		(1.8)
Net amortization of actuarial loss	0.2	[1]	0.2	[1]
Net periodic benefit cost (income)	$ 0.3		$ 0.4

[1] Reclassified from accumulated other comprehensive loss to SG&A.