CONSOLIDATED BALANCE SHEETS (unaudited) (Parenthetical) $ in Millions	Mar. 31, 2022 USD ($) $ / shares shares
Current assets:
Allowance for doubtful accounts receivable | $	$ 0.2
Preferred stock, par value (in dollars per share) | $ / shares	$ 0.01
Preferred stock, shares authorized (in shares)	10,000,000
Preferred stock, shares issued (in shares)	0
Common stock, par value (in dollars per share) | $ / shares	$ 0.01
Common stock, shares authorized (in shares)	400,000,000
Common stock, shares issued (in shares)	96,018,208
Treasury Stock, Shares	3,327,578