Fair Value Measurements - Investment Narrative (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 25, 2025	Jan. 27, 2024	Jan. 25, 2025	Jan. 27, 2024	Apr. 27, 2024
Schedule of Investments [Line Items]
Gain on sale of investment	$ 0	$ 0	$ 3,803	$ 0
Sale of investment			$ 86,408	$ 0
Vetsource
Schedule of Investments [Line Items]
Carrying value of investment					$ 56,849
Carrying value, put option					$ 25,757
Gain on sale of investment	3,803
Sale of investment	$ 86,408