Debt - Additional Information (Details)		1 Months Ended	3 Months Ended	6 Months Ended	12 Months Ended
	Jun. 30, 2021 USD ($) $ / shares shares	Sep. 30, 2024 USD ($)	Jul. 31, 2025 USD ($) $ / shares	Jul. 31, 2025 USD ($) $ / shares shares	Jan. 31, 2021 USD ($)	Jan. 31, 2025 USD ($)	Oct. 31, 2024 $ / shares	Jun. 30, 2023 USD ($)
Convertible Senior Notes | 1.50% Convertible Senior Notes Due September 15, 2029
Debt Instrument [Line Items]
Aggregate principal amount		$ 460,000,000	$ 460,000,000	$ 460,000,000		$ 460,000,000
Debt instrument interest rate stated percentage		1.50%
Date of first required payment		Mar. 15, 2025
Debt instrument due date		Sep. 15, 2029
Principal amount of notes used in conversion rate	$ 1,000
Initial conversion rate per $1,000 principal amount of notes | shares	23.0102
Initial conversion price per share of common stock | $ / shares	$ 43.46
Debt instrument, effective interest rate			2.06%	2.06%
Interest expense			$ 2,600,000	$ 5,200,000
Strike price | $ / shares							43.46
Initial cap prices | $ / shares							66.86
Common stock shares covered under capped call transactions | shares				10,600,000
Cost of purchased capped calls				$ 52,500,000
Total debt outstanding with net carrying amount			449,822,000	449,822,000		448,638,000
Convertible Senior Notes | 0.00% Convertible Senior Notes Due January 15, 2026
Debt Instrument [Line Items]
Aggregate principal amount			$ 205,000,000	$ 205,000,000	$ 345,000,000	205,000,000
Debt instrument interest rate stated percentage					0.00%
Debt instrument due date					Jan. 15, 2026
Principal amount of notes used in conversion rate	$ 1,000
Initial conversion rate per $1,000 principal amount of notes | shares	38.7962
Initial conversion price per share of common stock | $ / shares	$ 25.78
Repurchase of aggregate principal amount		$ 140,000,000
Debt instrument, effective interest rate			0.56%	0.56%
Interest expense			$ 2,600,000	$ 5,200,000
Strike price | $ / shares			25.8	25.8
Initial cap prices | $ / shares			35.58	35.58
Common stock shares covered under capped call transactions | shares				13,400,000
Cost of purchased capped calls		$ 30,300,000		$ 27,800,000
Total debt outstanding with net carrying amount			$ 204,476,000	204,476,000		$ 203,907,000
Secured Debt | June 2023 Facility | Revolving Credit Facility | Wells Fargo Bank
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity								$ 75,000,000
Total debt outstanding with net carrying amount			$ 0	$ 0
Secured Debt | June 2023 Facility | Letters of Credit | Wells Fargo Bank
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity sublimit								$ 45,000,000