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

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Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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Description of the payment terms of the debt instrument (for example, whether periodic payments include principal and frequency of payments) and discussion about any contingencies associated with the payment.

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Start date of debt instrument redemption period, in YYYY-MM-DD format.

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Percentage of principal amount of debt redeemed.

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Amount, after accumulated amortization, of debt discount.

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Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date.

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Represents the charge against earnings during the period for commitment fees and debt issuance expenses.

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Weighted average interest rate of debt outstanding.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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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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Amount of the required periodic payment applied to principal.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Amount of cash inflow (outflow) from other long-term debt.

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Ratio of Tier 1 risk-based capital to total leverage exposure as defined by regulatory framework.

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Indebtedness - Additional Information (Detail) $ in Thousands					1 Months Ended	12 Months Ended
	May 05, 2022 USD ($)	Jul. 19, 2021 USD ($)	Jul. 02, 2021 USD ($)	Jul. 01, 2021 USD ($)	May 31, 2022 USD ($)	Mar. 31, 2024 USD ($)	Mar. 31, 2023 USD ($)	Mar. 31, 2022 USD ($)
Debt Instrument [Line Items]
Weighted-average interest rate						6.60%	3.70%	1.50%
Interest rate of debt instrument						6.70%	6.00%
Repayment of Term Loan						$ (10,000)	$ (7,500)	$ (665,000)
Interest coverage ratio			250.00%
Borrowings outstanding under Credit Facility						170,000	157,000
Outstanding borrowings						571,700
Outstanding letters of credit , amount						8,300
Debt instrument, principal amount						$ 1,102,500	$ 1,099,500
Maturity Period 2021 [Member]
Debt Instrument [Line Items]
Unused line of credit commitment fee based on leverage ratio			9.00%
Maximum [Member]
Debt Instrument [Line Items]
Unused line of credit commitment fee based on leverage ratio			22.50%
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] \| Minimum [Member] \| Maturity Period 2021 [Member]
Debt Instrument [Line Items]
Variable margin			100.00%
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] \| Maximum [Member] \| Maturity Period 2021 [Member]
Debt Instrument [Line Items]
Variable margin			162.50%
NYFRB [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Variable margin			0.00%
NYFRB [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Variable margin			62.50%
Term Loan [Member]
Debt Instrument [Line Items]
Weighted-average interest rate						6.60%	4.40%
Term loan facility, unused borrowing capacity, Amount	$ 200,000
Term loan Maturity Date					May 05, 2027
Debt instrument, principal amount						$ 182,500	$ 192,500
Quarterly principle payments	2,500
Term Loan Agreement [Member]
Debt Instrument [Line Items]
Repayment of Term Loan				$ 665,000
2.500% Senior Unsecured Notes Due 2026
Debt Instrument [Line Items]
Debt issuance costs		$ 6,100
4.500% Senior Unsecured Notes Due 2026 [Member]
Debt Instrument [Line Items]
Repayments of Other Long-term Debt		$ 350,000
Redemption date		Jul. 17, 2021
Termination premium		$ 8,400
Term loan Maturity Date		Jul. 19, 2021
Debt instrument, maturity period		2026-08
2.500% Senior Unsecured Notes Due 2031 [Member]
Debt Instrument [Line Items]
Interest rate of debt instrument				2.60%
Debt instrument, original issue discount				$ 6,300
Interest payment period			10-year
Semi annual basis, treasury rate			20.00%
Percentage of aggregate amount repurchased			101.00%
Credit Facility, termination date			Jul. 01, 2021
Debt instrument, principal amount				$ 750,000		$ 750,000	$ 750,000
Debt instrument, interest rate				2.50%		2.50%
Debt instrument, maturity period			2031-07
2.500% Senior Unsecured Notes Due 2031 [Member] \| Redeemable On or After April 1, 2031 [Member]
Debt Instrument [Line Items]
Percentage of principal amount redeemable			100.00%
Debt instrument, interest rate				2.50%
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Borrowings outstanding under Credit Facility						$ 170,000
Outstanding borrowings						$ 571,700
Revolving Credit Facility [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Supplementary leverage ratio				0.035
Revolving Credit Facility [Member] \| Swingline Loan [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity				$ 25,000
Revolving Credit Facility [Member] \| Unsecured Debt
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 750,000
Revolving Credit Facility [Member] \| Term Loan [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity					$ 200,000
Line of Credit \| Maximum [Member]
Debt Instrument [Line Items]
Amount of increase in borrowing capacity			$ 375,000
Line of Credit \| NYFRB [Member]
Debt Instrument [Line Items]
Variable margin			0.50%
Letter of Credit [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity				1,125,000
Letter of Credit Facility				$ 40,000
Unused line of credit commitment fee based on leverage ratio						12.50%
Outstanding letters of credit , amount						$ 8,300