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v2.4.0.6

Fair value (Details 8) | Dec. 31, 2012
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Pension Benefits |
Defined Benefit Plan Disclosure [Line Items] |
Number of investment managers of plan assets | 14
Other Postretirement Benefits |
Defined Benefit Plan Disclosure [Line Items] |
Number of investment managers of plan assets | 1

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- Definition Number of Investment Managers of Plan Assets + References No definition available. + Details
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- Details
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