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Contingencies and Legal Matters Contingencies and Legal Matters (Details) - USD ($) $ in Millions |  |  | 1 Months Ended | 3 Months Ended
--- | --- | --- | --- | ---
Jun. 11, 2019 | Jan. 31, 2019 | Feb. 28, 2019 | Jul. 07, 2019
Loss Contingencies [Line Items] |  |  |  |
Alleged total potential damages |  | $ 62.0 | $ 42.0 |
Estimated liability for general liability and workers' compensation claims in excess of self-insurance retention limits |  |  |  | $ 13.6
Ramirez v. Jack in the Box Inc. | Judicial Ruling |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Jury verdict for compensatory damages | $ 5.4 |  |  |
Jury verdict for punitive damages | $ 10.0 |  |  |
Selling, General and Administrative Expenses | Ramirez v. Jack in the Box Inc. |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Net charge for estimated litigation liability |  |  |  | $ 7.1

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