Employee Retirement Plans and Postretirement Benefits Corporate Fair Value Hierarchy (Details) (U.S. defined contribution plan, nonqualified, Rabbi Trust, USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 29, 2012
Corporate Equities [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Contribution Plan, Fair Value of Plan Assets	$ 3.9	$ 3.1
Corporate Equities [Member] | Quoted prices in active markets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Defined Contribution Plan, Fair Value of Plan Assets	3.9	3.1
Corporate Equities [Member] | Significant observable inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Defined Contribution Plan, Fair Value of Plan Assets	0	0
Corporate Equities [Member] | Significant unobservable inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Defined Contribution Plan, Fair Value of Plan Assets	0	0
Mutual funds
Defined Benefit Plan Disclosure [Line Items]
Defined Contribution Plan, Fair Value of Plan Assets	3.9	3.1
Mutual funds | Quoted prices in active markets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Defined Contribution Plan, Fair Value of Plan Assets	3.9	3.1
Mutual funds | Significant observable inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Defined Contribution Plan, Fair Value of Plan Assets	0	0
Mutual funds | Significant unobservable inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Defined Contribution Plan, Fair Value of Plan Assets	$ 0	$ 0