Debt Financing Costs Accrued

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- Definition

Debt Instrument, Covenant, Interest Coverage Ratio, Minimum

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Debt Instrument, Covenant, Leverage Ratio, Maximum

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- Definition

Debt Instrument, Covenant, Total Leverage Ratio, Maximum

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- Definition

Debt Instrument, Covenant, Total Leverage Ratio, Stepped Down, Maximum

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- Definition

Debt Instrument, Redemptions, Percentage of Original Principal Amount

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- Definition

Represents information pertaining to incremental borrowing facility.

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No definition available.

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- Definition

Payment For Underwriting Commissions

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No definition available.

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- Definition

Amount of amortization expense attributable to debt issuance costs.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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No definition available.

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- Definition

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

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- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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- Definition

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

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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- Definition

Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense.

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

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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.

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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 cash outflow for loan and debt issuance costs.

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- Definition

The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.

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Debt - Narrative (Details)			3 Months Ended	12 Months Ended
Debt - Narrative (Details)	Jan. 20, 2021 USD ($)	Jan. 04, 2021 USD ($)	Apr. 30, 2022 USD ($)	Jan. 31, 2021 USD ($)	Jan. 31, 2020 USD ($)	Jan. 31, 2019 USD ($)	Apr. 30, 2019 USD ($)
Line of Credit Facility [Line Items]
Proceeds from issuance of Senior Notes, net of debt financing costs				$ 739,569,000	$ 0	$ 0
Debt financing costs, accrued but not paid				1,581,000	0	0
Interest expense				1,559,000	442,000	428,000
Amortization of debt issuance costs				800,000	$ 400,000	$ 100,000
Senior Notes
Line of Credit Facility [Line Items]
Unamortized issuance costs				$ 2,600,000
A&R Credit Agreement
Line of Credit Facility [Line Items]
Minimum consolidated interest coverage ratio				3.00
Maximum senior secured leverage ratio				3.00
Maximum total leverage ratio				5.50
Maximum total leverage ratio, stepped down				3.50
3.00% Senior Notes \| Senior Notes
Line of Credit Facility [Line Items]
Aggregate principal amount	$ 750,000,000.0
Stated interest rate	3.00%
Percentage of original principal amount	40.00%
Proceeds from issuance of Senior Notes, net of debt financing costs	$ 739,600,000
Underwriting commissions	9,400,000
Payments of financing costs	1,000,000.0
Unamortized issuance costs	$ 2,600,000
Interest expense				$ 700,000
Amortization of debt issuance costs				100,000
Debt instrument, fair value				760,200,000
3.00% Senior Notes \| Senior Notes \| Forecast
Line of Credit Facility [Line Items]
Debt financing costs, accrued but not paid			$ 1,600,000
3.00% Senior Notes \| Senior Notes \| Prior to February 15, 2024 \| Plus "Make Whole" Premium
Line of Credit Facility [Line Items]
Redemption percentage	100.00%
3.00% Senior Notes \| Senior Notes \| Prior to February 15, 2024 \| Proceeds From Equity Offering, Provided Principal Amount of Redemptions Does Not Exceed 40%
Line of Credit Facility [Line Items]
Redemption percentage	103.00%
3.00% Senior Notes \| Senior Notes \| After February 15, 2024
Line of Credit Facility [Line Items]
Redemption percentage	101.50%
3.00% Senior Notes \| Senior Notes \| After February 15, 2025
Line of Credit Facility [Line Items]
Redemption percentage	100.75%
3.00% Senior Notes \| Senior Notes \| After February 15, 2026
Line of Credit Facility [Line Items]
Redemption percentage	100.00%
3.00% Senior Notes \| Senior Notes \| Change of control event
Line of Credit Facility [Line Items]
Redemption percentage	101.00%
Minimum \| A&R Credit Agreement
Line of Credit Facility [Line Items]
Commitment fee percentage		0.15%
Maximum \| A&R Credit Agreement
Line of Credit Facility [Line Items]
Commitment fee percentage		0.25%
Revolving Credit Facility
Line of Credit Facility [Line Items]
Revolving line of credit							$ 150,000,000.0
Line of credit amount outstanding				$ 0
Revolving Credit Facility \| A&R Credit Agreement
Line of Credit Facility [Line Items]
Revolving line of credit		$ 750,000,000.0
Incremental borrowing capacity		250,000,000.0
Letter of Credit
Line of Credit Facility [Line Items]
Revolving line of credit							10,000,000.0
Letter of Credit \| A&R Credit Agreement
Line of Credit Facility [Line Items]
Revolving line of credit		100,000,000.0
Swingline Facility
Line of Credit Facility [Line Items]
Revolving line of credit							$ 10,000,000.0
Swingline Facility \| A&R Credit Agreement
Line of Credit Facility [Line Items]
Revolving line of credit		$ 50,000,000.0
Eurodollar Loans \| London Interbank Offered Rate (LIBOR) \| A&R Credit Agreement
Line of Credit Facility [Line Items]
Interest rate		0.00%
Eurodollar Loans \| London Interbank Offered Rate (LIBOR) \| Minimum \| A&R Credit Agreement
Line of Credit Facility [Line Items]
Interest rate		1.50%
Eurodollar Loans \| London Interbank Offered Rate (LIBOR) \| Maximum \| A&R Credit Agreement
Line of Credit Facility [Line Items]
Interest rate		2.00%
Alternate Base Rate Loans \| Fed Funds Effective Rate Overnight Index Swap Rate \| A&R Credit Agreement
Line of Credit Facility [Line Items]
Interest rate		0.005%
Alternate Base Rate Loans \| Eurodollar \| A&R Credit Agreement
Line of Credit Facility [Line Items]
Interest rate		0.01%
Alternate Base Rate Loans \| Eurodollar \| Minimum \| A&R Credit Agreement
Line of Credit Facility [Line Items]
Interest rate		(0.25%)
Alternate Base Rate Loans \| Eurodollar \| Maximum \| A&R Credit Agreement
Line of Credit Facility [Line Items]
Interest rate		0.25%