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Acquisitions - Narratives (Details) - Aero Communications, Inc. [Member] - USD ($) $ in Millions | 1 Months Ended | 12 Months Ended
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Mar. 31, 2018 | Jan. 25, 2020
Business Acquisition [Line Items] |  |
Payment to acquire business, net of cash acquired | $ 20.9 |
Business Combination, Purchase Accounting Adjustment to Receivables |  | $ 0.5

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