Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings
Outstanding shares, beginning balance (in shares) at Jul. 31, 2021		474,028,546
Stockholders' equity, beginning balance at Jul. 31, 2021	$ 3,529,201	$ 48	$ 761,810	$ (100,860)	$ 2,868,203
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	260,363				260,363
Currency translation adjustment	(10,518)			(10,518)
Exercise of stock options, net of repurchased shares (in shares)		291,972
Exercise of stock options, net of repurchased shares	5,323		5,572		(249)
Stock-based compensation (in shares)		42,182
Stock-based compensation	9,452		9,452
Outstanding shares, ending balance (in shares) at Oct. 31, 2021		474,362,700
Stockholders' equity, ending balance at Oct. 31, 2021	3,793,821	$ 48	776,834	(111,378)	3,128,317
Outstanding shares, beginning balance (in shares) at Jul. 31, 2021		474,028,546
Stockholders' equity, beginning balance at Jul. 31, 2021	3,529,201	$ 48	761,810	(100,860)	2,868,203
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	547,775
Outstanding shares, ending balance (in shares) at Jan. 31, 2022		474,948,984
Stockholders' equity, ending balance at Jan. 31, 2022	4,089,856	$ 48	797,931	(123,502)	3,415,379
Outstanding shares, beginning balance (in shares) at Oct. 31, 2021		474,362,700
Stockholders' equity, beginning balance at Oct. 31, 2021	3,793,821	$ 48	776,834	(111,378)	3,128,317
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	287,412				287,412
Currency translation adjustment	(12,124)			(12,124)
Exercise of stock options, net of repurchased shares (in shares)		492,902
Exercise of stock options, net of repurchased shares	6,063		6,413		(350)
Stock-based compensation (in shares)		5,534
Stock-based compensation	9,662		9,662
Shares issued for Employee Stock Purchase Plan (in shares)		87,848
Shares issued for Employee Stock Purchase Plan	5,022		5,022
Outstanding shares, ending balance (in shares) at Jan. 31, 2022		474,948,984
Stockholders' equity, ending balance at Jan. 31, 2022	$ 4,089,856	$ 48	797,931	(123,502)	3,415,379
Outstanding shares, beginning balance (in shares) at Jul. 31, 2022	476,081,948	476,081,948
Stockholders' equity, beginning balance at Jul. 31, 2022	$ 4,625,599	$ 48	838,508	(169,365)	3,956,408
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	245,848				245,848
Currency translation adjustment	(29,571)			(29,571)
Exercise of stock options, net of repurchased shares (in shares)		75,554
Exercise of stock options, net of repurchased shares	766		1,061		(295)
Stock-based compensation (in shares)		38,312
Stock-based compensation	10,192		10,192
Outstanding shares, ending balance (in shares) at Oct. 31, 2022		476,195,814
Stockholders' equity, ending balance at Oct. 31, 2022	$ 4,852,834	$ 48	849,761	(198,936)	4,201,961
Outstanding shares, beginning balance (in shares) at Jul. 31, 2022	476,081,948	476,081,948
Stockholders' equity, beginning balance at Jul. 31, 2022	$ 4,625,599	$ 48	838,508	(169,365)	3,956,408
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 539,525
Exercise of stock options, net of repurchased shares (in shares)	299,000
Outstanding shares, ending balance (in shares) at Jan. 31, 2023	476,564,148	476,564,148
Stockholders' equity, ending balance at Jan. 31, 2023	$ 5,213,652	$ 48	875,009	(156,507)	4,495,102
Outstanding shares, beginning balance (in shares) at Oct. 31, 2022		476,195,814
Stockholders' equity, beginning balance at Oct. 31, 2022	4,852,834	$ 48	849,761	(198,936)	4,201,961
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	293,677				293,677
Currency translation adjustment	42,429			42,429
Exercise of stock options, net of repurchased shares (in shares)		223,426
Exercise of stock options, net of repurchased shares	9,218		9,754		(536)
Stock-based compensation (in shares)		30,351
Stock-based compensation	10,131		10,131
Shares issued for Employee Stock Purchase Plan (in shares)		114,557
Shares issued for Employee Stock Purchase Plan	$ 5,363		5,363
Outstanding shares, ending balance (in shares) at Jan. 31, 2023	476,564,148	476,564,148
Stockholders' equity, ending balance at Jan. 31, 2023	$ 5,213,652	$ 48	$ 875,009	$ (156,507)	$ 4,495,102