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Pensions and Other Postretirement Benefit Plans (Narrative) (Details) $ in Millions | Dec. 31, 2017 USD ($)
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United States [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Accrued postretirement liability | $ 57.4
Percent of consolidated pension plan assets | 42.00%
Percent of consolidated pension plan obligations | 43.00%
Canada [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Accrued postretirement liability | $ 1.1

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- Definition Amount of liability for retirement benefits, classified as other. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(15)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(15)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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- Details
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- Details
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