Debt Debt (Debt With Contractual Term Less Than One Year)(Details) (USD $) In Thousands, unless otherwise specified	Mar. 29, 2015	Dec. 31, 2014	Mar. 30, 2014
Short-term Debt [Line Items]
Short-term debt	$ 70,329us-gaap_ShortTermBorrowings	$ 731,786us-gaap_ShortTermBorrowings	$ 974,153us-gaap_ShortTermBorrowings
Commercial Paper [Member]
Short-term Debt [Line Items]
Short-term debt	$ 70,329	$ 731,786	$ 974,153

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19

-Subparagraph a

-Article 5

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

-Publisher FASB

-Name Accounting Standards Codification

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

-Publisher FASB

-Name Accounting Standards Codification

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-Section S99

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

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Name:	us-gaap_ShortTermBorrowings
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant