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Debt - Convertible Senior Notes (Details)					12 Months Ended
	Aug. 01, 2025 USD ($)	Jun. 13, 2025 USD ($) D $ / shares shares	Jun. 18, 2021 USD ($) $ / shares shares	Jun. 15, 2021 $ / shares	Aug. 01, 2025 USD ($) D shares	Jun. 10, 2025 $ / shares	Aug. 02, 2024 USD ($)
Convertible Senior Notes
Proceeds from issuance of convertible senior notes					$ 335,238,000
Repurchase of convertible senior notes					145,875,000
Gain on extinguishment of debt					$ 3,186,000
Effective interest rate percentage	1.23%				1.23%		1.23%
0.625% Convertible Senior Notes Due 2026
Convertible Senior Notes
Interest rate			0.625%
Maturity date			Jun. 15, 2026
Periodic interest payment frequency			semi-annually
Period of special interest to be received in the event of default			180 days
Special interest rate to be received for first 90 days			0.25%
Special Interest rate to be received thereafter			0.50%
Conversion rate for per $1,000 principal amount of the Notes (in shares) | shares			5.3153		6.3962
Conversion price (in dollars per share) | $ / shares			$ 188.14
Debt instrument, converted amount			$ 1,000,000		$ 1,000,000
Proceeds from issuance of convertible senior notes			291,000,000
Repurchase of convertible senior notes			150,000,000
Gain on extinguishment of debt			$ 3,186,000
Common stock premium percentage			25.00%	25.00%
Sale price per share (in dollars per share) | $ / shares				$ 150.51
Threshold percentage of stock price trigger					130.00%
Threshold trading days | D					20
Threshold consecutive trading days | D					30
Liability component
Principal	$ 150,000,000		$ 300,000,000		$ 150,000,000		$ 300,000,000
Less: Debt issuance costs	822,000				822,000		3,419,000
Net carrying amount	149,178,000				$ 149,178,000		$ 296,581,000
0.625% Convertible Senior Notes Due 2026 | Maximum
Convertible Senior Notes
Additional principal amount			25,000,000
1.75% Convertible Senior Notes Due 2030
Convertible Senior Notes
Principal		$ 345,000,000
Interest rate		1.75%
Periodic interest payment frequency		semi-annually
Period of special interest to be received in the event of default		180 days
Special interest rate to be received for first 90 days		0.25%
Special Interest rate to be received thereafter		0.50%
Conversion rate for per $1,000 principal amount of the Notes (in shares) | shares		13.8455			13.8455
Conversion price (in dollars per share) | $ / shares		$ 72.23
Debt instrument, converted amount	1,000,000	$ 1,000,000
Proceeds from issuance of convertible senior notes		$ 335,000,000	$ 145,900,000
Common stock premium percentage		32.50%
Sale price per share (in dollars per share) | $ / shares						$ 54.51
Threshold percentage of stock price trigger		130.00%
Threshold trading days | D		20
Threshold consecutive trading days | D		30
Effective interest rate percentage		2.33%
Liability component
Principal	345,000,000	$ 345,000,000			$ 345,000,000
Less: Debt issuance costs	9,543,000				9,543,000
Net carrying amount	$ 335,457,000				$ 335,457,000
1.75% Convertible Senior Notes Due 2030 | Maximum
Convertible Senior Notes
Additional principal amount		$ 45,000,000

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