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v3.19.1

Summary of Significant Accounting Policies (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Jan. 01, 2018
Prior period reclassification adjustment |  |  |  |  |  |  |  |  | $ 0.3 |  |
Average useful life of finite-lived intangible assets |  |  |  |  |  |  |  |  | 15 years |  |
Adoption of ASC 606 as of January 1, 2018 |  |  |  |  |  |  |  |  | $ 0.1 |  |
Unbilled contract revenue | $ 0.0 |  |  |  |  |  |  |  | 0.0 |  | $ 0.1
Accumulated deficit | (388.5) |  |  |  | $ (284.5) |  |  |  | (388.5) | $ (284.5) | (284.4)
Revenue |  |  |  |  |  |  |  |  | 193.0 |  |
Net income (loss) | (45.2) | $ (7.8) | $ (26.1) | $ (25.0) | 35.5 | $ (8.5) | $ (22.4) | $ 7.6 | (104.1) | 12.2 |
Cost of sales | 93.5 | 26.3 | 49.8 | 41.3 | 90.4 | 39.0 | 48.7 | 10.1 | 210.9 | 188.2 |
Selling, general and administrative | 10.2 | 8.8 | 9.7 | 11.2 | 10.6 | 11.0 | 9.7 | 12.4 | 39.9 | 43.7 |
Nonoperating components of net periodic benefit expense (income) | $ 15.5 | $ (1.6) | $ (1.7) | $ (1.6) | $ (26.1) | $ (0.3) | $ (0.4) | $ (0.4) | 10.6 | (27.2) |
Net cash used in operating activities |  |  |  |  |  |  |  |  | (74.4) | (16.1) |
Net cash used in financing activities |  |  |  |  |  |  |  |  | (11.1) | (40.0) |
Difference between Revenue Guidance in Effect before and after Topic 606 [Member] |  |  |  |  |  |  |  |  |  |  |
Unbilled contract revenue |  |  |  |  |  |  |  |  |  |  | 0.1
Accumulated deficit |  |  |  |  |  |  |  |  |  |  | $ 0.1
Revenue |  |  |  |  |  |  |  |  | (0.1) |  |
Net income (loss) |  |  |  |  |  |  |  |  | (0.1) |  |
Calculated under Revenue Guidance in Effect before Topic 606 [Member] |  |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 193.1 |  |
Net income (loss) |  |  |  |  |  |  |  |  | (104.0) |  |
Product [Member] |  |  |  |  |  |  |  |  |  |  |
Cost of sales |  |  |  |  |  |  |  |  | $ 187.7 | 162.7 |
Previously Reported [Member] |  |  |  |  |  |  |  |  |  |  |
Selling, general and administrative |  |  |  |  |  |  |  |  |  | 43.1 |
Net cash used in operating activities |  |  |  |  |  |  |  |  |  | (25.1) |
Net cash used in financing activities |  |  |  |  |  |  |  |  |  | (31.0) |
Previously Reported [Member] | Product [Member] |  |  |  |  |  |  |  |  |  |  |
Cost of sales |  |  |  |  |  |  |  |  |  | 136.1 |
Restatement Adjustment [Member] |  |  |  |  |  |  |  |  |  |  |
Selling, general and administrative |  |  |  |  |  |  |  |  |  | 0.6 |
Nonoperating components of net periodic benefit expense (income) |  |  |  |  |  |  |  |  |  | (27.2) |
Net cash used in operating activities |  |  |  |  |  |  |  |  |  | 9.0 |
Net cash used in financing activities |  |  |  |  |  |  |  |  |  | (9.0) |
Restatement Adjustment [Member] | Product [Member] |  |  |  |  |  |  |  |  |  |  |
Cost of sales |  |  |  |  |  |  |  |  |  | $ 26.6 |

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