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Contractual Guarantees, Litigation, Investigations, and Insurance (Details) $ in Millions |  |  | 1 Months Ended |  |
--- | --- | --- | --- | --- | ---
Aug. 30, 2019 USD ($) | Mar. 28, 2019 USD ($) | Aug. 31, 2017 USD ($) | Aug. 31, 2013 case | Sep. 28, 2012
UGL Infrastructure Pty Limited |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Ownership percentage |  |  |  |  | 50.00%
Nui Phao Mining Company |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Damages awarded |  | $ 95.0 |  |  |
Damages sought |  | $ 70.0 |  |  |
Litigation settlement amount awarded to other party | $ 130.0 |  |  |  |
JKC Australia L N G Pty Limited | Pending Litigation |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Damages sought |  |  | $ 1,700.0 |  |
Kingston Power Plant of the TVA, Primary Case Greg Adkisson, ET AL v. Jacobs Engineering Group Inc. |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Number of cases | case |  |  |  | 6 |
Kingston Power Plant of the TVA, Secondary Case No. 3:13CV-505-TAV-HBG |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Number of cases | case |  |  |  | 10 |
Joint Venture | JKC Australia L N G Pty Limited | Pending Litigation |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Damages sought |  |  | $ 530.0 |  |

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