Retirement Plans (Schedule Of Defined Benefit Pension Assets Investment) (Details)	12 Months Ended
Dec. 31, 2011	Jan. 01, 2011
Retirement Plans [Abstract]
Equity investments, Target Allocation	75.00%
Fixed income, Target Allocation	20.00%
Other, Target Allocation	5.00%
Target Allocation Total	100.00%
Equity investments, Target Return minimum	8.00%
Equity investments, Target Return maximum	11.00%
Fixed income, Target Return minimum	3.50%
Fixed income, Target Return maximum	4.50%
Other, Target Return minimum	6.00%
Other, Target Return maximum	8.00%
Target Return Total	8.25%
Equity investments, Actual Allocation	70.00%	72.00%
Fixed income, Actual Allocation	22.00%	28.00%
Other, Actual Allocation	8.00%
Actual Allocation Total	100.00%	100.00%

Defined benefit pension assets target allocation.

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- Definition

Defined benefit pension assets target return.

+ References

No definition available.

+ Details

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- Definition

Defined benefit plan, target allocation percentage fixed income.

+ References

No definition available.

+ Details

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- Definition

Defined benefit plan target allocation percentage of fixed investment income securities range maximum.

+ References

No definition available.

+ Details

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- Definition

Defined benefit plan target allocation percentage of fixed investment income securities range minimum.

+ References

No definition available.

+ Details

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- Definition

The percentage of the fair value of debt securities to the fair value of total plan assets held as of the measurement date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 5

-Subparagraph d(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 5

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e2446-114920

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (d)(1)

-URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e1928-114920

+ Details

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- Definition

The percentage of the fair value of equity securities to the fair value of total plan assets held as of the measurement date.

+ References

+ Details

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- Definition

The percentage of the fair value of investments other than debt securities, equity securities, and real estate to the fair value of total plan assets held as of the measurement date.

+ References

+ Details

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- Definition

Target allocation percentage of investments in equity securities to total plan assets presented on a weighted-average basis as of the measurement date of the latest statement of financial position.

+ References

No definition available.

+ Details

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- Definition

Target allocation maximum percentage of investments in equity securities to total plan assets presented on a weighted-average basis as of the measurement date of the latest statement of financial position.

+ References

No definition available.

+ Details

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- Definition

Target allocation minimum percentage of investments in equity securities to total plan assets presented on a weighted-average basis as of the measurement date of the latest statement of financial position.

+ References

No definition available.

+ Details

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- Definition

Target allocation percentage in other than debt securities, equity securities, and real estate to total plan assets presented on a weighted-average basis as of the measurement date of the latest statement of financial position.

+ References

No definition available.

+ Details

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- Definition

Target allocation maximum percentage in other than debt securities, equity securities, and real estate to total plan assets presented on a weighted-average basis as of the measurement date of the latest statement of financial position.

+ References

No definition available.

+ Details

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- Definition

Target allocation minimum percentage in other than debt securities, equity securities, and real estate to total plan assets presented on a weighted-average basis as of the measurement date of the latest statement of financial position.

+ References

No definition available.

+ Details

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- Definition

The aggregate percentage of the fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of total plan assets held as of the measurement date.

+ References

+ Details

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