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Retirement Benefits - Defined Benefit Pension Plan Amendments and Settlement (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2015 USD ($)
Plan amendments and settlement |
Pension settlement charge | $ 239,896
Defined Benefit Pension Plans | U.S. |
Plan amendments and settlement |
Pension settlement charge | 250,946
Defined Benefit Pension Plans | U.S. | Total cost of revenue |
Plan amendments and settlement |
Pension settlement charge | 11,000
Defined Benefit Pension Plans | U.S. | Pension settlement charge |
Plan amendments and settlement |
Pension settlement charge | $ 240,000

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- Definition Amount of gain (loss) recognized in net periodic benefit (cost) credit from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk related to obligation and assets used to effect settlement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(7) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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