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Subsequent Event - Additional Information (Details) - Apr. 30, 2021 - Subsequent Event [Member] € in Millions, shares in Millions, $ in Millions | USD ($) shares | EUR (€) shares
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Euro​ Infrastructure​ Co Step Acquisition [Member] | Euro Infrastructure Co [Member] |  |
Subsequent Event [Line Items] |  |
Date of acquisition | Apr. 30, 2021 | Apr. 30, 2021
Percentage of additional interest purchased in subsidiary acquired | 51.00% | 51.00%
Purchase price subject to customary post-closing net working capital and net debt adjustments | $ 172.7 | € 142.6
Cash outlay after consideration of acquiree's cash on hand | 50.4 | 41.6
Euro Infrastructure Co.’s cash on hand | $ 122.3 | € 101.0
RigNet, Inc [Member] |  |
Subsequent Event [Line Items] |  |
Date of acquisition | Apr. 30, 2021 | Apr. 30, 2021
Issuance of shares | 4.0 | 4.0

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