Acquisitions and Dispositions - Schedule of Unaudited Pro Forma Combined Results of Operations (Details) - Baby Dolls-Chicas Locas - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Sep. 30, 2023	Sep. 30, 2022
Business Acquisition [Line Items]
Pro forma revenues	$ 306,729	$ 291,764
Pro forma net income attributable to RCIHH common stockholders	$ 28,329	$ 51,198
Pro forma earnings per share – basic (in dollars per share)	$ 3.01	$ 5.34
Pro forma earnings per share – diluted (in dollars per share)	$ 3.01	$ 5.34
Pro forma weighted average number of common shares outstanding - basic (in shares)	9,426,942	9,583,445
Pro forma weighted average number of common shares outstanding - diluted (in shares)	9,426,942	9,583,445

Pro forma basic earnings per share or earnings per unit, which is commonly presented in initial public offerings based on the terms of the offering.

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