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Retirement And Savings Benefit Plans (Schedule Of Fair Value Measurement) (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | 12 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Dec. 31, 2011
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Jan. 01, 2011
|
Jan. 02, 2010
|
Dec. 31, 2011
Cash And Cash Equivalents [Member]
|
Jan. 01, 2011
Cash And Cash Equivalents [Member]
|
Dec. 31, 2011
Equity Securities [Member]
Domestic [Member]
|
Jan. 01, 2011
Equity Securities [Member]
Domestic [Member]
|
Dec. 31, 2011
Equity Securities [Member]
Foreign [Member]
|
Jan. 01, 2011
Equity Securities [Member]
Foreign [Member]
|
Dec. 31, 2011
U.S. Treasury And Government Agencies [Member]
|
Jan. 01, 2011
U.S. Treasury And Government Agencies [Member]
|
Dec. 31, 2011
Corporate And International Bonds [Member]
|
Jan. 01, 2011
Corporate And International Bonds [Member]
|
Dec. 31, 2011
Real Estate [Member]
|
Jan. 01, 2011
Real Estate [Member]
|
Dec. 31, 2011
Insurance Contracts [Member]
|
Jan. 01, 2011
Insurance Contracts [Member]
|
Dec. 31, 2011
Commodities [Member]
|
Jan. 01, 2011
Commodities [Member]
|
Dec. 31, 2011
Payable For Securities [Member]
|
Dec. 31, 2011
Quoted Prices In Active Markets For Identical Assets, Level 1 [Member]
|
Jan. 01, 2011
Quoted Prices In Active Markets For Identical Assets, Level 1 [Member]
|
Dec. 31, 2011
Quoted Prices In Active Markets For Identical Assets, Level 1 [Member]
Cash And Cash Equivalents [Member]
|
Jan. 01, 2011
Quoted Prices In Active Markets For Identical Assets, Level 1 [Member]
Cash And Cash Equivalents [Member]
|
Dec. 31, 2011
Quoted Prices In Active Markets For Identical Assets, Level 1 [Member]
Equity Securities [Member]
Domestic [Member]
|
Jan. 01, 2011
Quoted Prices In Active Markets For Identical Assets, Level 1 [Member]
Equity Securities [Member]
Domestic [Member]
|
Dec. 31, 2011
Quoted Prices In Active Markets For Identical Assets, Level 1 [Member]
Equity Securities [Member]
Foreign [Member]
|
Jan. 01, 2011
Quoted Prices In Active Markets For Identical Assets, Level 1 [Member]
Equity Securities [Member]
Foreign [Member]
|
Dec. 31, 2011
Quoted Prices In Active Markets For Identical Assets, Level 1 [Member]
U.S. Treasury And Government Agencies [Member]
|
Jan. 01, 2011
Quoted Prices In Active Markets For Identical Assets, Level 1 [Member]
U.S. Treasury And Government Agencies [Member]
|
Dec. 31, 2011
Quoted Prices In Active Markets For Identical Assets, Level 1 [Member]
Real Estate [Member]
|
Jan. 01, 2011
Quoted Prices In Active Markets For Identical Assets, Level 1 [Member]
Real Estate [Member]
|
Dec. 31, 2011
Quoted Prices In Active Markets For Identical Assets, Level 1 [Member]
Commodities [Member]
|
Jan. 01, 2011
Quoted Prices In Active Markets For Identical Assets, Level 1 [Member]
Commodities [Member]
|
Dec. 31, 2011
Significant Other Observable Inputs, Level 2 [Member]
|
Jan. 01, 2011
Significant Other Observable Inputs, Level 2 [Member]
|
Dec. 31, 2011
Significant Other Observable Inputs, Level 2 [Member]
Cash And Cash Equivalents [Member]
|
Jan. 01, 2011
Significant Other Observable Inputs, Level 2 [Member]
Cash And Cash Equivalents [Member]
|
Dec. 31, 2011
Significant Other Observable Inputs, Level 2 [Member]
Equity Securities [Member]
Domestic [Member]
|
Jan. 01, 2011
Significant Other Observable Inputs, Level 2 [Member]
Equity Securities [Member]
Domestic [Member]
|
Dec. 31, 2011
Significant Other Observable Inputs, Level 2 [Member]
Equity Securities [Member]
Foreign [Member]
|
Jan. 01, 2011
Significant Other Observable Inputs, Level 2 [Member]
Equity Securities [Member]
Foreign [Member]
|
Dec. 31, 2011
Significant Other Observable Inputs, Level 2 [Member]
U.S. Treasury And Government Agencies [Member]
|
Jan. 01, 2011
Significant Other Observable Inputs, Level 2 [Member]
U.S. Treasury And Government Agencies [Member]
|
Dec. 31, 2011
Significant Other Observable Inputs, Level 2 [Member]
Corporate And International Bonds [Member]
|
Jan. 01, 2011
Significant Other Observable Inputs, Level 2 [Member]
Corporate And International Bonds [Member]
|
Jan. 01, 2011
Significant Other Observable Inputs, Level 2 [Member]
Real Estate [Member]
|
Dec. 31, 2011
Significant Other Observable Inputs, Level 2 [Member]
Insurance Contracts [Member]
|
Jan. 01, 2011
Significant Other Observable Inputs, Level 2 [Member]
Insurance Contracts [Member]
|
Dec. 31, 2011
Significant Other Observable Inputs, Level 2 [Member]
Payable For Securities [Member]
|
Jan. 01, 2011
Discretionary Contribution [Member]
|
Jan. 02, 2010
Discretionary Contribution [Member]
|
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| Defined Benefit Plan Disclosure [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Defined Benefit Plan, Fair Value of Plan Assets | $ 1,144,178 | $ 1,211,588 | $ 1,034,368 | $ 38,200 | [1] | $ 150,666 | [1] | $ 330,663 | $ 428,127 | $ 229,580 | $ 185,459 | $ 132,696 | $ 107,823 | $ 393,884 | $ 290,698 | $ 38,512 | $ 22,368 | [2] | $ 28,779 | $ 23,555 | $ (236) | [3] | $ 2,892 | [3] | $ (47,900) | [4] | $ 589,295 | $ 635,276 | $ 6,086 | [1] | $ 1,220 | [1] | $ 329,455 | $ 427,120 | $ 101,452 | $ 113,410 | $ 114,026 | $ 88,634 | $ 38,512 | $ 2,000 | [2] | $ (236) | [3] | $ 2,892 | [3] | $ 554,883 | $ 576,312 | $ 32,114 | [1] | $ 149,446 | [1] | $ 1,208 | $ 1,007 | $ 128,128 | $ 72,049 | $ 18,670 | $ 19,189 | $ 393,884 | $ 290,698 | $ 20,368 | [2] | $ 28,779 | $ 23,555 | $ (47,900) | [4] | ||||||||||
| VF contributions | $ 10,232 | $ 113,460 | $ 100,000 | $ 200,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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