Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2021	Mar. 31, 2021
Statement of Financial Position [Abstract]
Allowance for doubtful accounts receivable, current	$ 20,272	$ 16,457
Stockholders' Equity:
Preferred stock, par value (in USD per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value (in USD per share)	$ 0.01	$ 0.01
Common stock, shares authorized	250,000,000	250,000,000
Common stock, shares issued	54,350,000	53,999,000
Treasury stock (in shares)	4,151,000	4,088,000