Quarterly report pursuant to Section 13 or 15(d)

Pension and Other Postretirement Benefits (Details)

v2.4.0.6
Pension and Other Postretirement Benefits (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 30, 2012
Jul. 02, 2011
Jun. 30, 2012
Jul. 02, 2011
Pension Plans, Defined Benefit [Member]
        
Defined Benefit Plan Disclosure [Line Items]        
Service cost $ 0 $ 0.3 $ 0.1 $ 0.6
Interest cost 14.4 15.6 28.8 31.2
Expected return on plan assets (13.8) (13.3) (27.6) (26.6)
Amortization of prior service costs (credits) 0 0 0 0.1
Amortization of net actuarial loss 5.5 5.4 11.0 10.8
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments 0 0.3 0 0.3
Net pension and other benefit costs 6.1 8.3 12.3 16.4
Defined benefit plan, contributions by employer to unfunded, nonqualified pension plan     1.7 1.4
Defined benefit, contributions by employer to qualified pension plans     20.0 20.0
Other Postretirement Benefit Plans, Defined Benefit [Member]
        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 0 0.1 0 0.2
Interest cost 0.7 0.8 1.4 1.7
Expected return on plan assets 0 0 0 0
Amortization of prior service costs (credits) (1.5) (1.2) (3.1) (2.2)
Amortization of net actuarial loss 0.5 0.2 1.1 0.4
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments 0 0 0 0
Net pension and other benefit costs $ (0.3) $ (0.1) $ (0.6) $ 0.1