Significant Accounting Policies (Pension and Nonpension Other Postretirement Benefits) (Details) (Scenario, Forecast, Nonpension Postretirement Benefit Plans, USD $)	Jan. 02, 2013
Scenario, Forecast | Nonpension Postretirement Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Retirees subject to health reimbursement arrangement, minimum age	65 years
Defined benefit plan, life insurance benefit, maximum	$ 10,000