We grant stock options and various types of restricted stock units to our employees and our non-employee directors. Additionally, we have an employee stock purchase plan that allows employees to purchase our stock at a discount. Information regarding the amount of total stock-based compensation expense and tax benefit recognized by us, for the periods indicated, is as follows (amounts in thousands):


	Three months ended April 30,				Six months ended April 30,
	2023		2022		2023		2022
Total stock-based compensation expense recognized	$	2,641	$	3,405	$	17,025	$	17,020
Income tax benefit recognized	$	666	$	855	$	4,304	$	4,268

At April 30, 2023 and October 31, 2022, the aggregate unamortized value of unvested stock-based compensation awards was approximately $21.8 million and $15.5 million, respectively.