Leases - Maturities of Operating and Finance Lease Liabilities (Parenthetical) (Details) $ in Millions	12 Months Ended
Mar. 31, 2021 USD ($)
Leases [Abstract]
Non-cancellable sublease proceeds, 2022	$ 0.7
Non-cancellable sublease proceeds, 2023	0.8
Non-cancellable sublease proceeds, 2024	$ 0.7

Proceeds from non cancellable sublease in next twelve months.

No definition available.

Name:	agys_ProceedsFromNonCancellableSubleaseInNextTwelveMonths
Namespace Prefix:	agys_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration