Declaration of Dividend Payable	6 Months Ended
Oct. 31, 2021
Dividends [Abstract]
Declaration of Dividend Payable	Declaration of Dividend PayableOn August 19, 2021, our Board of Directors declared a quarterly cash dividend of $0.11 per share of our Class A and Class B common stock. The cash dividend is payable on December 3, 2021 to Class A and Class B shareholders of record at the close of business on November 19, 2021.

This text block may be used to disclose all or some of the information related to dividends declared and their payments, as of the financial reporting date.

No definition available.

Name:	amswa_DeclarationOfDividendPayableDisclosureTextBlock
Namespace Prefix:	amswa_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration