Interest Cost Recognized For Convertible Notes.

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Gross amount of debt redeemed.

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The component of interest expense representing the noncash expenses charged against earnings in the period to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate caption: Noncash Interest Expense.

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The component of interest expense comprised of the periodic charge against earnings over the life of the financing arrangement to which such costs relate. Alternate captions include Noncash Interest Expense.

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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.

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Interest expense related to convertible debt instruments which has been recognized for the period, including the contractual interest coupon and amortization of the debt discount, if any.

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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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Represents the portion of interest incurred in the period on debt arrangements that was charged against earnings.

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Financing Arrangements (Details) (USD $) In Thousands			3 Months Ended		9 Months Ended				3 Months Ended		9 Months Ended
Financing Arrangements (Details) (USD $) In Thousands	Oct. 02, 2011	Jan. 02, 2011	Oct. 02, 2011 1% Sr. Convertible Notes due 2013 [Member]	Oct. 03, 2010 1% Sr. Convertible Notes due 2013 [Member]	Oct. 02, 2011 1% Sr. Convertible Notes due 2013 [Member]	Oct. 03, 2010 1% Sr. Convertible Notes due 2013 [Member]	Jan. 02, 2011 1% Sr. Convertible Notes due 2013 [Member]	May 31, 2006 1% Sr. Convertible Notes due 2013 [Member]	Oct. 02, 2011 1.5% Sr. Convertible Notes due 2017 [Member]	Oct. 03, 2010 1.5% Sr. Convertible Notes due 2017 [Member]	Oct. 02, 2011 1.5% Sr. Convertible Notes due 2017 [Member]	Oct. 03, 2010 1.5% Sr. Convertible Notes due 2017 [Member]	Jan. 02, 2011 1.5% Sr. Convertible Notes due 2017 [Member]	Aug. 31, 2010 1.5% Sr. Convertible Notes due 2017 [Member]
Carrying value of the convertible debt
1% and 1.5% Notes due 2013 and 2017			$ 1,150,000		$ 1,150,000		$ 1,150,000	$ 1,150,000	$ 1,000,000		$ 1,000,000		$ 1,000,000	$ 1,000,000
Less: Notes redeemed at par			(221,939)		(221,939)		0
Less: Unamortized interest discount			(88,837)		(88,837)		(156,801)		(256,066)		(256,066)		(282,167)
Carrying Value	1,583,158	1,711,032	839,224		839,224		993,199		743,934		743,934		717,833
Interest cost recognized for Convertible notes
Contractual interest coupon			2,504	2,874	8,254	8,624			3,750	1,458	11,250	1,458
Amortization of bond issuance costs			1,935	857	3,649	2,572			667	281	2,028	281
Amortization of bond discount			13,456	14,444	43,743	42,572			8,594	3,540	25,505	3,540
Total interest cost recognized			$ 17,895	$ 18,175	$ 55,646	$ 53,768			$ 13,011	$ 5,279	$ 38,783	$ 5,279