Treasury Stock (Tables)

6 Months Ended

Nov. 30, 2022

Stockholders' Equity Attributable to Parent [Abstract]

Tabular Disclosure of an Entity's Treasury Stock

The table below represents the Board authorization at the dates indicated:

Authorization	Amount
March 2020		50.0
Total current Board authorization at June 1, 2022	$	50.0
Less repurchases made under this authorization	$	(23.8)
Remaining Board authorization at November 30, 2022	$	26.2