Commitments and Contingencies	6 Months Ended
Sep. 30, 2019
Commitments And Contingencies Disclosure [Abstract]
Commitments and Contingencies	8. Commitments and Contingencies Agilysys is the subject of various threatened or pending legal actions and contingencies in the normal course of conducting its business. We provide for costs related to these matters when a loss is probable and the amount can be reasonably estimated. The effect of the outcome of these matters on our future results of operations and liquidity cannot be predicted because any such effect depends on future results of operations and the amount or timing of the resolution of such matters. While it is not possible to predict with certainty, management believes that the ultimate resolution of such individual or aggregated matters will not have a material adverse effect on our consolidated financial position, results of operations, or cash flows. On April 6, 2012, Ameranth, Inc. filed a complaint against us in the U.S. District Court of Southern District of California alleging that certain of our products infringe patents owned by Ameranth directed to configuring and transmitting hospitality menus (e.g. restaurant menus) for display on electronic devices, and synchronizing the menu content between the devices. The case against us was consolidated with similar cases brought by Ameranth against more than 30 other defendants. Most of the patents at issue in the case were invalidated by the U.S. Court of Appeals for the Federal Circuit in 2016. Cases against us and our co-defendants remained pending in the District Court with respect to one surviving Ameranth patent. In September 2018, the District Court found that patent invalid, and granted summary judgment in favor of the movant co-defendants. In early 2019, Ameranth appealed the District Court's summary judgment ruling to the U.S. Court of Appeals for the Federal Circuit. We are not a party to the appeal, and it is currently unclear what impact the summary judgment ruling or appeal may have on our case. Ameranth seeks monetary damages, injunctive relief, costs and attorneys' fees from us. At this time, we are not able to predict the outcome of this lawsuit. However, we dispute the allegations of wrongdoing and are vigorously defending ourselves in this matter.

Commitments and Contingencies

6 Months Ended

Sep. 30, 2019

Commitments And Contingencies Disclosure [Abstract]

8. Commitments and Contingencies

Agilysys is the subject of various threatened or pending legal actions and contingencies in the normal course of conducting its business. We provide for costs related to these matters when a loss is probable and the amount can be reasonably estimated. The effect of the outcome of these matters on our future results of operations and liquidity cannot be predicted because any such effect depends on future results of operations and the amount or timing of the resolution of such matters. While it is not possible to predict with certainty, management believes that the ultimate resolution of such individual or aggregated matters will not have a material adverse effect on our consolidated financial position, results of operations, or cash flows.

On April 6, 2012, Ameranth, Inc. filed a complaint against us in the U.S. District Court of Southern District of California alleging that certain of our products infringe patents owned by Ameranth directed to configuring and transmitting hospitality menus (e.g. restaurant menus) for display on electronic devices, and synchronizing the menu content between the devices. The case against us was consolidated with similar cases brought by Ameranth against more than 30 other defendants. Most of the patents at issue in the case were invalidated by the U.S. Court of Appeals for the Federal Circuit in 2016. Cases against us and our co-defendants remained pending in the District Court with respect to one surviving Ameranth patent. In September 2018, the District Court found that patent invalid, and granted summary judgment in favor of the movant co-defendants. In early 2019, Ameranth appealed the District Court's summary judgment ruling to the U.S. Court of Appeals for the Federal Circuit. We are not a party to the appeal, and it is currently unclear what impact the summary judgment ruling or appeal may have on our case. Ameranth seeks monetary damages, injunctive relief, costs and attorneys' fees from us. At this time, we are not able to predict the outcome of this lawsuit. However, we dispute the allegations of wrongdoing and are vigorously defending ourselves in this matter.