Investments - Equity Securities (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 31, 2026	Jan. 25, 2025	Jan. 31, 2026	Jan. 25, 2025
Investments
Net gain (loss) recognized during the period on equity securities	$ (1,405)	$ 1,454	$ 7,446	$ 1,187
Unrealized gain (loss) recognized during the period on equity securities still held at the reporting date	$ (1,405)	$ 1,454	$ 7,446	$ 1,187