Long-Term Debt (Detail) - USD ($) $ in Thousands	Sep. 30, 2023	Mar. 31, 2023	Jul. 01, 2021
Debt Instrument [Line Items]
Revolving Credit Facility	$ 162,000	$ 157,000
Total Debt	1,099,500	1,099,500
Less: Current Portion of Long-term Debt	(10,000)	(10,000)
Less: Unamortized Discounts and Debt Issuance Costs	(9,835)	(10,468)
Long-term Debt	1,079,665	1,079,032
Term Loan [Member]
Debt Instrument [Line Items]
Total Debt	187,500	192,500
2.500% Senior Unsecured Notes Due 2031 [Member]
Debt Instrument [Line Items]
Total Debt	$ 750,000	$ 750,000	$ 750,000