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Accumulated Other Comprehensive Loss
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6 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Jun. 30, 2012
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| Accumulated Other Comprehensive Loss [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Accumulated Other Comprehensive Loss |
The following table presents the changes in each component of accumulated other comprehensive loss for the 12 months ended December 31, 2011 and the three months ended March 31, 2012 and June 30, 2012:
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