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Pension, Profit Sharing & Other Post-Retirement Benefits (Details) (Pension Plans, Defined Benefit [Member], USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 29, 2013
Jun. 30, 2012
Jun. 29, 2013
Jun. 30, 2012
Pension Plans, Defined Benefit [Member]
       
Defined Benefit Plan Disclosure [Line Items]        
Service cost $ 0.1 $ 0.1 $ 0.2 $ 0.2
Interest cost 1.7 1.8 3.4 3.7
Expected return on plan assets (1.7) (1.7) (3.4) (3.5)
Net amortization of actuarial loss 0.3 0.2 0.5 0.4
Net periodic benefit cost $ 0.4 $ 0.4 $ 0.7 $ 0.8