Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2021	Jun. 30, 2020
Current assets:
Allowance for accounts receivable	$ 19,341	$ 21,906
Shareholders’ equity:
Preferred stock, shares authorized (in shares)	3,000,000	3,000,000
Preferred stock, shares issued (in shares)	0	0
Common stock, shares authorized (in shares)	45,000,000	45,000,000
Common stock, shares issued (in shares)	25,499,465	25,361,298
Common stock, shares outstanding (in shares)	25,499,465	25,361,298