Financing Arrangements-Carrying Value and Interest (Details 1) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 30, 2012	Aug. 31, 2010
Debt Summary
Convertible debt, carrying value	$ 809,626	$ 1,696,621
Convertible short-term debt, carrying value	0	(906,708)
Convertible long-term debt, carrying value	809,626	789,913
Carrying Value of Convertible Notes
Convertible debt, carrying value	809,626	1,696,621
1% Sr. Convertible Notes due 2013 [Member]
Debt Summary
Convertible debt, carrying value	0	906,708
Carrying Value of Convertible Notes
Convertible debt, par value	0	928,061
Unamortized bond discount	0	(21,353)
Convertible debt, carrying value	0	906,708
1.5% Sr. Convertible Notes due 2017 [Member]
Debt Summary
Convertible debt, carrying value	809,626	789,913
Carrying Value of Convertible Notes
Convertible debt, par value	1,000,000	1,000,000	1,000,000
Unamortized bond discount	(190,374)	(210,087)
Convertible debt, carrying value	$ 809,626	$ 789,913

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Including the current and noncurrent portions, carrying amount of debt identified as being convertible into another form of financial instrument (typically the entity's common stock) as of the balance sheet date, which originally required full repayment more than twelve months after issuance or greater than the normal operating cycle of the company.

+ References

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- Definition

The portion of the carrying value of long-term convertible debt as of the balance sheet date that is scheduled to be repaid within one year or in the normal operating cycle if longer. Convertible debt is a financial instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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Carrying amount of long-term convertible debt as of the balance sheet date, net of the amount due in the next twelve months or greater than the normal operating cycle, if longer. The debt is convertible into another form of financial instrument, typically the entity's common stock.

+ References

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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.

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The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

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