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Short-Term Borrowings (Details)
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12 Months Ended | 12 Months Ended | |||||||||
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Dec. 31, 2011
USD ($)
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Jan. 01, 2011
USD ($)
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Dec. 31, 2011
Senior Domestic Unsecured Debt [Member]
USD ($)
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Dec. 31, 2011
Senior International Unsecured Debt [Member]
EUR (€)
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Dec. 31, 2011
Senior Domestic And Senior International Unsecured Facility [Member]
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Dec. 31, 2011
International Lending Agreements [Member]
USD ($)
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Jan. 01, 2011
International Lending Agreements [Member]
USD ($)
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Dec. 31, 2011
Financial Standby Letters of Credit [Member]
USD ($)
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Dec. 31, 2011
Commercial Paper [Member]
USD ($)
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Jan. 01, 2011
Commercial Paper [Member]
USD ($)
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Dec. 31, 2011
U.S. Commercial Paper [Member]
USD ($)
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| Short-term Debt [Line Items] | |||||||||||
| Short-term borrowings | $ 281,686,000 | $ 36,576,000 | $ 34,600,000 | $ 36,600,000 | |||||||
| Weighted average interest rate of international bank borrowings | 11.30% | 7.70% | |||||||||
| Global Credit Facility amount outstanding | 1,250,000,000 | 1,000,000,000 | 250,000,000 | 247,100,000 | 0 | ||||||
| Global Credit Facility expiration date | December 2016 | October 2012 | |||||||||
| Credit facility to maximum borrowings | 750,000,000 | ||||||||||
| Letters of credit amount | $ 21,100,000 | $ 100,000,000 | |||||||||
| Global Credit Facility basis spread points | 90.00% | ||||||||||
| Global Credit Facility fee basis points | 10 | ||||||||||
| Restricted covenants | 60.00% | ||||||||||
| X | ||||||||||
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- Definition
The percentage points added to the reference rate to compute the variable rate on the debt instrument. No definition available.
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| X | ||||||||||
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- Definition
The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. No definition available.
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| X | ||||||||||
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- Definition
Amount borrowed under the credit facility as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Reflects when the credit facility terminates, which may be presented in a variety of ways (year, month and year, day, month and year, quarter). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
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
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Reflects the calculation as of the balance sheet date of the average interest rate weighted by the amount of short-term debt outstanding by type or by instrument at that time. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Debt instrument credit facility fee basis points No definition available.
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| X | ||||||||||
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- Definition
The maximum ratio of consolidated indebtedness to consolidated capitalization allowed to comply with financial covenant contained in the credit agreement. No definition available.
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