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Subsequent events (Details)
3 Months Ended 9 Months Ended
Apr. 19, 2023
$ / shares
Mar. 23, 2023
Jan. 18, 2023
$ / shares
Mar. 31, 2023
$ / shares
Mar. 31, 2022
$ / shares
Mar. 31, 2023
$ / shares
Mar. 31, 2022
$ / shares
Dividends [Abstract]              
Common stock, dividends declared (in dollars per share)       $ 0.07 $ 0.065 $ 0.21 $ 0.195
2023 Annual Dividend [Member]              
Dividends [Abstract]              
Common stock, dividends declared (in dollars per share)     $ 0.28        
2023 Q2 Dividend [Member]              
Dividends [Abstract]              
Common stock, dividends declared (in dollars per share)       $ 0.14      
Common Stock [Member]              
Dividends [Abstract]              
Stock split conversion ratio   2          
Subsequent Event [Member] | 2023 Annual Dividend [Member]              
Dividends [Abstract]              
Common stock, dividends declared (in dollars per share) $ 0.28            
Subsequent Event [Member] | 2023 Q3 Dividend [Member]              
Dividends [Abstract]              
Dividends payable, date declared Apr. 19, 2023            
Common stock, dividends declared (in dollars per share) $ 0.07            
Dividends payable, date of record May 15, 2023            
Dividends payable, date to be paid May 31, 2023