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Commitments and Contingencies (Details) - USD ($) $ in Millions | 1 Months Ended |  |  |
--- | --- | --- | --- | ---
Nov. 21, 2016 | Apr. 29, 2017 | Oct. 29, 2016 | Jul. 30, 2016
Loss Contingencies [Line Items] |  |  |  |
Loss Contingency, Estimate of Possible Loss |  |  | $ 13.0 |
Loss Contingency Accrual, Payments | $ 0.1 |  |  |
Letters of credit outstanding amount |  | $ 57.6 |  | $ 57.6
Standby Letters of Credit |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Letters of credit outstanding amount |  | 57.6 |  | 57.6
Performance Guarantee and Surety Bond |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Outstanding performance and other surety contract bonds |  | 130.9 |  | $ 165.8
Goodman Networks, Inc. Wireline Operations |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Escrow Deposit |  | 20.0 |  |
Indemnification Portion Subject to Certain Conditions, Not Less Than Twelve Months | Goodman Networks, Inc. Wireline Operations |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Escrow Deposit |  | 10.0 |  |
Indemnification Portion Subject to Seller Satisfaction of Certain Liabilities | Goodman Networks, Inc. Wireline Operations |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Escrow Deposit |  | 10.0 |  |
Seller Liability, Satisfaction Required for Contingent Consideration |  | $ 31.7 |  |

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