Annual report pursuant to Section 13 and 15(d)

Retirement And Savings Benefit Plans (Effect Of Defined Benefit Pension Plans On Income) (Details)

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Retirement And Savings Benefit Plans (Effect Of Defined Benefit Pension Plans On Income) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Jan. 01, 2011
Jan. 02, 2010
Retirement And Savings Benefit Plans [Abstract]      
Service cost - benefits earned during the year $ 20,867 $ 18,085 $ 14,904
Interest cost on projected benefit obligations 78,859 76,691 71,799
Expected return on plan assets (89,689) (76,846) (53,515)
Amortization of deferred amounts, Net deferred actuarial losses 43,088 45,731 60,525
Amortization of deferred amounts, Deferred prior service cost 3,453 3,948 4,266
Total pension expense $ 56,578 $ 67,609 $ 97,979
Discount rate 5.65% 6.05% 6.50%
Expected long-term return on plan assets 7.75% 7.75% 8.00%
Rate of compensation increase 4.00% 4.00% 4.00%