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Property, Plant and Equipment (Details Textuals) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
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Dec. 31, 2011
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Dec. 31, 2010
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Dec. 31, 2009
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| Property and equipment (Textual) [Abstract] | |||
| Interest Expense | $ 4.2 | $ 2.1 | $ 2.2 |
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Total interest costs incurred during the period that are capitalized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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