XML 15 R5.htm IDEA: XBRL DOCUMENT v3.21.2
CONSOLIDATED BALANCE SHEETS (unaudited) (Parenthetical) - USD ($)
$ in Millions
Jun. 30, 2021
Dec. 31, 2020
Current assets:    
Allowance for doubtful accounts receivable $ 1.6 $ 1.5
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01
Preferred stock, shares authorized (in shares) 10,000,000 10,000,000
Preferred stock, shares issued (in shares) 0 0
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 400,000,000 400,000,000
Common stock, shares issued (in shares) 94,075,885 92,689,912
Treasury Stock, Shares 2,089,487 1,078,363