Quarterly report pursuant to Section 13 or 15(d)

Pension and Other Postretirement Benefits (Details)

v2.4.0.8
Pension and Other Postretirement Benefits (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 29, 2013
Jun. 30, 2012
Jun. 29, 2013
Jun. 30, 2012
Defined Benefit Plan Disclosure [Line Items]        
Defined Benefit Plan Contributions By Employer For Nonqualified Pension Plan     $ 1.5 $ 1.7
Defined Benefit Plan, Contributions by Employer for Qualified Pension Plans     10.8 20.0
Pension Plans [Member]
        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 0.1 0 0.1 0.1
Interest cost 13.5 14.4 27.0 28.8
Expected return on plan assets (14.2) (13.8) (28.5) (27.6)
Amortization of prior service credits 0 0 0 0
Amortization of net actuarial losses 5.3 5.5 10.7 11.0
Net pension and other benefit costs 4.7 6.1 9.3 12.3
Other Postretirement Benefit Plans [Member]
        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 0 0 0 0
Interest cost 0.5 0.7 1.0 1.4
Expected return on plan assets 0 0 0 0
Amortization of prior service credits (1.5) (1.5) (2.9) (3.1)
Amortization of net actuarial losses 0.3 0.5 0.6 1.1
Net pension and other benefit costs $ (0.7) $ (0.3) $ (1.3) $ (0.6)