Fair Value Measurement (Details) - Disposal Group, Held-for-sale, Not Discontinued Operations - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | 10 Months Ended | ||||
|---|---|---|---|---|---|---|---|
Jun. 30, 2018 |
Mar. 31, 2018 |
Dec. 31, 2017 |
Mar. 31, 2017 |
Jun. 30, 2017 |
Jun. 30, 2018 |
Jun. 28, 2017 |
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| South Texas Fabrication Yards | |||||||
| Long Lived Assets Held-for-sale [Line Items] | |||||||
| Insurance settlement | $ 15.4 | ||||||
| Texas North Yard | |||||||
| Long Lived Assets Held-for-sale [Line Items] | |||||||
| Impairment of real estate | $ 5.1 | $ 8.9 | |||||
| Impairment of assets held for sale | $ 0.8 | ||||||
| Shipyard Division Assets | |||||||
| Long Lived Assets Held-for-sale [Line Items] | |||||||
| Impairment of assets held for sale | $ 0.6 | $ 0.6 | $ 0.4 | $ 0.4 | |||
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- Definition Insurance Settlement No definition available.
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- Definition The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The charge against earnings in the period to reduce the carrying amount of real property to fair value. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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