Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2020	Jun. 30, 2019
Current assets:
Allowance for accounts receivable	$ 21,906	$ 27,521
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)	25,361,298	25,408,397
Common stock, shares outstanding (in shares)	25,361,298	25,408,397