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Pension Benefits - Changes in Benefit Obligation and Fair Value of Benefit Plans Assets (Footnote) (Detail) $ in Millions | Dec. 31, 2016 USD ($)
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Retirement Benefits [Abstract] |
Amortized from accumulated other comprehensive (loss) income into net periodic benefit cost | $ 0.5

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- Definition Amount of cost (credit) included in accumulated other comprehensive (income) loss expected to be recognized in net periodic benefit cost (credit) for fiscal year following most recent annual statement of financial position. + 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 (s) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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