XML 12 R3.htm IDEA: XBRL DOCUMENT v3.21.4
Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Nov. 30, 2021
May 31, 2021
Accounts receivable, allowance $ 1,500 $ 1,400
Accumulated Amortization $ 51,012 $ 53,462
Preferred stock, par value $ 1.00 $ 1.00
Preferred stock, shares authorized 100,000 100,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, par value $ 0.16 $ 0.16
Common stock, shares authorized 120,000,000 120,000,000
Common stock, shares issued 107,768,342 107,468,304
Common stock, shares outstanding 107,768,342 107,468,304