CONSOLIDATED COMBINED BALANCE SHEETS (Parenthetical) - $ / shares	Mar. 31, 2019	Mar. 31, 2018
Stockholders' equity:
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	750,000,000	750,000,000
Common stock, shares issued (in shares)	165,844,994	0
Common stock, shares outstanding (in shares)	163,099,080	0
Common stock in treasury, at cost (in shares)	2,745,914	0