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Stockholders' Equity Parenthetical (Parentheticals) $ in Millions | 9 Months Ended
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Dec. 31, 2017 USD ($)
Successor |
Net change in unrealized (losses) gains on available-for-sale securities, tax (benefit) provision | $ 0.0
Net unrealized gains (losses) on cash flow hedges, tax benefit | 0.0
Postretirement plans and workers' compensation obligations, tax (benefit) provision | $ 0.0

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- Definition Amount of tax expense (benefit), after reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669646-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84228862&loc=d3e640-108580 + Details
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