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v3.20.1

Revenue (Tables) | 3 Months Ended
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Mar. 31, 2020
Revenue from Contract with Customer [Abstract] |
Disaggregation of Revenue by Timing | The following table represents a disaggregation of revenue by timing of revenue along with the reportable segment for each category:
| Three Months Ended March 31, 2020
| D&S East |  | D&S West |  | E&C Cryogenics |  | E&C FinFans |  | Intersegment Eliminations |  | Consolidated
Point in time | $ | 59.1 |  |  | $ | 102.4 |  |  | $ | — |  |  | $ | 21.2 |  |  | $ | (2.7 | ) |  | $ | 180.0 |
Over time | 10.9 |  |  | 9.2 |  |  | 62.2 |  |  | 59.5 |  |  | (0.7 | ) |  | 141.1 |
Total | $ | 70.0 |  |  | $ | 111.6 |  |  | $ | 62.2 |  |  | $ | 80.7 |  |  | $ | (3.4 | ) |  | $ | 321.1 |
| Three Months Ended March 31, 2019
| D&S East |  | D&S West |  | E&C Cryogenics |  | E&C FinFans |  | Intersegment Eliminations |  | Consolidated
Point in time | $ | 63.9 |  |  | $ | 107.4 |  |  | $ | 0.2 |  |  | $ | 18.8 |  |  | $ | (3.0 | ) |  | $ | 187.3 |
Over time | 4.8 |  |  | 10.6 |  |  | 34.9 |  |  | 51.7 |  |  | — |  |  | 102.0 |
Total | $ | 68.7 |  |  | $ | 118.0 |  |  | $ | 35.1 |  |  | $ | 70.5 |  |  | $ | (3.0 | ) |  | $ | 289.3 |
Changes in Contract Assets and Contract Liabilities Balances | The following table represents changes in our contract assets and contract liabilities balances:
| March 31, 2020 |  | December 31, 2019 |  | Year-to-date Change ($) |  | Year-to-date Change (%)
Contract assets |  |  |  |  |  |  |
Accounts receivable, net of allowances | $ | 195.1 |  |  | $ | 202.6 |  |  | $ | (7.5 | ) |  | (3.7 | )%
Unbilled contract revenue | 88.5 |  |  | 86.1 |  |  | 2.4 |  |  | 2.8 | %
Contract liabilities |  |  |  |  |  |  |
Customer advances and billings in excess of contract revenue | $ | 124.3 |  |  | $ | 127.8 |  |  | $ | (3.5 | ) |  | (2.7 | )%
Long-term deferred revenue | 0.7 |  |  | 0.8 |  |  | (0.1 | ) |  | (12.5 | )%

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- Definition Tabular disclosure of contract balances and changes in contract balances. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130551-203045 + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
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