Nonpension Postretirement Benefits (Narrative) (Details) (Nonpension Postretirement Benefit Plans, Scenario, Forecast, USD $)	Jan. 02, 2013
Nonpension Postretirement Benefit Plans \| Scenario, Forecast
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

Retirees Subject to Health Reimbursement Arrangement, Minimum Age

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