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Summary of Significant Accounting Policies (Property, Plant and Equipment, Net) (Details)
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12 Months Ended |
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Dec. 31, 2012
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Minimum [Member] | Machinery and Equipment [Member]
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| Property, Plant and Equipment, Useful Life | 3 years |
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Minimum [Member] | Equipment Leased to Others [Member]
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| Property, Plant and Equipment, Useful Life | 5 years |
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Minimum [Member] | Building [Member]
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| Property, Plant and Equipment, Useful Life | 20 years |
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Maximum [Member] | Machinery and Equipment [Member]
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| Property, Plant and Equipment, Useful Life | 10 years |
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Maximum [Member] | Equipment Leased to Others [Member]
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| Property, Plant and Equipment, Useful Life | 10 years |
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Maximum [Member] | Building [Member]
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| Property, Plant and Equipment, Useful Life | 45 years |