Line of Credit Facility, Accordion Feature, Increase Limit

No definition available.

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- Definition

Option Indexed To Issuer's Equity, Cap Price

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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Period Type:	instant

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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- Definition

Amount that would be paid upon settlement of option contract indexed to equity.

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- Definition

The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

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- Definition

The cash outflow from the repayment of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

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Debt - Narrative (Details) - USD ($)	1 Months Ended			12 Months Ended
Debt - Narrative (Details) - USD ($)	May 31, 2025	Jan. 31, 2021	Sep. 30, 2018	Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2024	May 31, 2023	Apr. 30, 2023
Debt Conversion [Line Items]
Repayments of convertible senior notes				$ 0	$ 0	$ 726,979,000
Convertible Senior Notes Due 2023 \| Capped Calls
Debt Conversion [Line Items]
Initial cap price (in usd per share)				$ 110.00		$ 110.00
Convertible Senior Notes Due 2023 \| Convertible Debt
Debt Conversion [Line Items]
Principal on face amount of debt			$ 575,000,000.0
Debt interest rate percentage			0.50%
Proceeds from issuance of convertible senior notes, net of initial purchasers' discounts and transaction costs			$ 560,800,000
Repayments of convertible senior notes						$ 37,100,000
Debt instrument, effective interest rate				5.90%
Convertible Senior Notes Due 2023 \| Convertible Debt \| Capped Calls
Debt Conversion [Line Items]
Settlement of capped calls, net of related costs								$ 23,700,000
Convertible Senior Notes Due 2024 \| Capped Calls
Debt Conversion [Line Items]
Initial cap price (in usd per share)				$ 525.30		$ 525.30
Convertible Senior Notes Due 2024 \| Convertible Debt
Debt Conversion [Line Items]
Principal on face amount of debt		$ 690,000,000.0
Debt interest rate percentage		0.00%
Proceeds from issuance of convertible senior notes, net of initial purchasers' discounts and transaction costs		$ 677,300,000
Repayments of convertible senior notes						$ 689,900,000
Debt instrument, effective interest rate				3.80%
Credit Facility \| Revolving Credit Facility
Debt Conversion [Line Items]
Line of credit, maximum borrowing capacity							$ 500,000,000.0
Line of credit, additional borrowing amount							$ 250,000,000.0
Carrying value of debt				$ 0
May 2025 Credit Agreement \| Revolving Credit Facility
Debt Conversion [Line Items]
Line of credit, maximum borrowing capacity	$ 750,000,000.0
Line of credit, additional borrowing amount	$ 250,000,000.0
May 2025 Credit Agreement \| Revolving Credit Facility \| Minimum
Debt Conversion [Line Items]
Line of credit, commitment fee percentage on undrawn balance	0.10%
May 2025 Credit Agreement \| Revolving Credit Facility \| Maximum
Debt Conversion [Line Items]
Line of credit, commitment fee percentage on undrawn balance	0.30%