Stockholders' Equity Transactions (Details)		1 Months Ended	12 Months Ended
	May 05, 2023 USD ($) $ / shares	Dec. 31, 2021	Jun. 30, 2023 USD ($) $ / shares shares	Jun. 30, 2022 USD ($) $ / shares shares	Jun. 30, 2021 shares	Feb. 13, 2023 $ / shares	Dec. 06, 2021 $ / shares shares	Sep. 16, 2014 shares
Equity
Authorized to be repurchased (in shares)								2,000,000
Common Stock Shares Outstanding			36,770,097	36,734,482				38,800,000
Stock repurchased (in shares)			0	0	0
Share Price | $ / shares						$ 31.50
Common stock, authorized (in shares)			100,000,000	100,000,000			100,000,000
Par value per share | $ / shares			$ 0.01	$ 0.01			$ 0.01
Percentage of stock dividend		100.00%
Stock split		2
Dividends payable per share | $ / shares	$ 0.0625
Payments of dividends | $	$ 2,298,000		$ 2,298,000
Proceeds from stock option exercises | $			$ 85,000	$ 155,000
Certain employees and directors
Equity
Exercised			53,000	34,800
Exercised, cashless			43,600	6,800	14,200
Surrendered (in shares)			17,385	2,486	6,734