Stockholders' Equity (Tables)

9 Months Ended

May 31, 2021

Share-based Payment Arrangement [Abstract]

Schedule of Recognized Stock-based Compensation Expense

The Company recognized stock-based compensation expense within selling, general and administrative expense as follows (in thousands):

	Three months ended				Nine months ended
	May 31, 2021		May 31, 2020		May 31, 2021		May 31, 2020
Restricted stock units	$	15,956	$	14,299	$	67,553	$	54,783
Employee stock purchase plan	2,809		2,583		8,566		7,431
Total	$	18,765	$	16,882	$	76,119	$	62,214

Schedule of Share-based Compensation Information

The following represents the stock-based compensation information as of the period indicated (in thousands):

	May 31, 2021
Unrecognized stock-based compensation expense—restricted stock units	$	45,840
Remaining weighted-average period for restricted stock units expense	1.4 years

Schedule of Common Stock Outstanding

The following represents the common stock outstanding for the periods indicated:

	Three months ended		Nine months ended
	May 31, 2021	May 31, 2020	May 31, 2021	May 31, 2020
Common stock outstanding:
Beginning balances	149,366,501	151,407,526	150,330,358	153,520,380
Shares issued upon exercise of stock options	9,321	—	9,321	56,999
Shares issued under employee stock purchase plan	—	—	771,548	595,717
Vesting of restricted stock	12,787	13,234	2,253,923	2,252,846
Purchases of treasury stock under employee stock plans	(3,436)	(2,808)	(613,715)	(619,931)
Treasury shares purchased(1)	(2,547,707)	(843,916)	(5,913,969)	(5,231,975)
Ending balances	146,837,466	150,574,036	146,837,466	150,574,036

(1)In September 2019, the Company’s Board of Directors authorized the repurchase of up to $600.0 million of the Company’s common stock as part of a two-year capital allocation framework (the “2020 Share Repurchase Program”). As of May 31, 2021, 11.9 million shares had been repurchased for $475.6 million and $124.4 million remains available under the 2020 Share Repurchase Program. The 2020 Share Repurchase Program authorization expires at the end of fiscal year 2021.