Long-Term Debt And Capital Lease Obligations (Narrative) (Details) (USD $)	9 Months Ended
Sep. 30, 2011	Sep. 27, 2010
Conversion threshold price for convertible notes	$ 37.50
Minimum trading days required for common stock closing price exceeding conversion threshold price	20
Number of consecutive trading days in the measurement period	30
6 3/4 % Senior Notes Due 2020 [Member]
Senior notes issued, principal amount		$ 400,000,000
Interest percentage	6.75%
Net proceeds from issuance of senior notes	$ 390,400,000

Conversion threshold price for convertible notes.

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Minimum trading days required for common stock closing price exceeding conversion threshold price.

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The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

+ References

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-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 21

-Paragraph 16, 20

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Interest rate stated in the contractual debt agreement.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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-Name Accounting Standards Codification

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-Section S99

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-Subparagraph (SX 210.5-02.22(a)(1))

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The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer).

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-Number 95

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-Publisher FASB

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-Glossary Financing Activities

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