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Commitments And Contingencies (Narrative) (Details) (USD $)
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12 Months Ended |
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Dec. 31, 2011
years
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| Loss Contingencies [Line Items] | |
| Letters of credit, outstanding amount | 2,029,000 |
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Minimum [Member]
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| Loss Contingencies [Line Items] | |
| Base lease term, years | 5 |
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Maximum [Member]
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| Loss Contingencies [Line Items] | |
| Base lease term, years | 10 |
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Inventories [Member]
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| Loss Contingencies [Line Items] | |
| Outstanding inventory purchase obligations | 351,854,000 |
| X | ||||||||||
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- Definition
Average lease term, in years. 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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- Details
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| X | ||||||||||
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- Definition
The amount of the fixed and determinable portion of an unrecorded unconditional purchase obligation as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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