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. 28, 2014
Jun. 29, 2013
Jun. 28, 2014
Jun. 29, 2013
Defined Benefit Plan Disclosure [Line Items]        
Defined Benefit Plan, Contributions by Employer for Nonqualified Pension Plan     $ 1.5 $ 1.5
Defined Benefit Plan, Contributions by Employer for Qualified Pension Plans     17.3 10.8
Pension Plans [Member]
        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 0 0.1 0 0.1
Interest cost 14.6 13.5 29.3 27.0
Expected return on plan assets (14.7) (14.2) (29.4) (28.5)
Amortization of prior service credits 0 0 0 0
Amortization of net actuarial losses 3.8 5.3 7.5 10.7
Net pension and other benefit costs 3.7 4.7 7.4 9.3
Other Postretirement Benefit Plans [Member]
        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 0 0 0 0
Interest cost 0.5 0.5 1.0 1.0
Expected return on plan assets 0 0 0 0
Amortization of prior service credits (0.2) (1.5) (0.4) (2.9)
Amortization of net actuarial losses 0 0.3 0 0.6
Net pension and other benefit costs $ 0.3 $ (0.7) $ 0.6 $ (1.3)