Note Employee benefits (Postretirement health care benefit plan with an accumulated benefit obligation in excess of plan assets) (Detail) - Postretirement Health Care Benefit Plan - USD ($) $ in Thousands |
Dec. 31, 2016 |
Dec. 31, 2015 |
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Postretirement Health Care Benefit Plan With An Accumulated Benefit Obligation In Excess Of Plan Assets Table Text Block [Line Items] | ||
Projected benefit obligation | $ 162,365 | $ 165,999 |
Accumulated benefit obligation | 162,365 | 165,999 |
Fair value of plan assets | $ 0 | $ 0 |
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- References No definition available.
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- Definition If aggregate disclosures are presented, the aggregate pension accumulated benefit obligation for pension plans with accumulated benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition If aggregate disclosures are presented, the aggregate fair value of plan assets for pension plans with accumulated benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition If aggregate disclosures are presented, the aggregate projected benefit obligation for pension plans with accumulated benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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