CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) shares in Millions, $ in Millions	Dec. 31, 2022	Mar. 31, 2022
Statement of Financial Position [Abstract]
Accounts receivable, allowances	$ 1.3	$ 0.4
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	5.0	5.0
Preferred stock, shares issued (in shares)	0.0	0.0
Preferred stock, shares outstanding (in shares)	0.0	0.0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	300.0	200.0
Common stock, shares issued (in shares)	192.2	139.0
Common stock, shares outstanding (in shares)	168.5	115.4
Treasury stock, shares (in shares)	23.7	23.7