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v3.19.1

Acquisition - Narrative (Details) $ in Millions |  |  | 3 Months Ended
--- | --- | --- | ---
Feb. 28, 2019 USD ($) | Feb. 27, 2019 USD ($) shares | Mar. 31, 2019 USD ($) | Apr. 01, 2018 USD ($)
Business Acquisition [Line Items] |  |  |  |
Aggregate purchase price | $ 60.0 |  | $ 60.0 | $ 0.0
Cash paid |  |  | 17.7 | 0.0
Shares issued |  | $ 27.0 | 27.0 | 0.0
Merger and acquisition expenses |  |  | 1.2 | $ 0.0
FTT Inc |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Percentage of voting interests acquired | 80.10% | 80.10% |  |
FTT Core |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Percentage of voting interests acquired | 80.10% | 80.10% |  |
FTT |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Percentage of voting interests acquired |  | 80.10% |  |
Aggregate purchase price |  | $ 60.0 |  |
Total cash paid |  | 33.0 |  |
Cash paid | $ 17.7 | 20.7 |  |
Amount to be paid |  | $ 15.3 |  |
Payment period |  | 3 years |  |
Increase in minority interest purchase price over next 12 months |  | 14 |  |
Current liabilities |  | $ 7.7 |  |
Long-term liabilities |  | $ 1.3 |  |
Revenue |  |  | 4.2 |
Operating income |  |  | 0.1 |
Merger and acquisition expenses |  |  | 1.2 |
Amortization of intangible assets |  |  | $ 0.5 |
FTT | Common Stock |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Number of shares issued (in shares) | shares |  | 1,825,406 |  |
FTT | Customer relationships |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Intangible assets acquired |  | $ 11.2 |  |
Useful life |  | 10 years |  |
FTT | In-process research and development |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Intangible assets acquired |  | $ 6.0 |  |
FTT | Contracts and backlog |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Intangible assets acquired |  | $ 2.2 |  |
Useful life |  | 2 years |  |
FTT | Trade names |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Intangible assets acquired |  | $ 0.4 |  |
Useful life |  | 1 year |  |

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