Summary of Significant Accounting Policies Recently Issued Accounting Standards (Details) SFr in Thousands, $ in Thousands	Apr. 30, 2023 USD ($)	Aug. 03, 2022 CHF (SFr)	Aug. 01, 2022 USD ($)	Jul. 31, 2022 USD ($)	Apr. 30, 2022 USD ($)	Dec. 18, 2020 USD ($)
Long-term Debt	$ 2,849,581			$ 2,807,046	$ 2,830,366
Operating Lease, Right-of-Use Asset	199,990			192,070	196,919
Operating Lease, Liability, Noncurrent	174,363			174,567	176,970
Operating Lease, Liability, Current	37,046			34,218	39,526
Debt Instrument, Face Amount		SFr 40,000				$ 575,000
Long-term debt, net (Note 5)	2,773,747		$ 2,745,122	2,670,300	2,687,488
Deferred income taxes, net	401,240		249,685	268,464	404,095
Additional paid-in capital	1,118,221		1,104,511	1,184,577	1,178,495
Retained earnings	1,080,972		919,912	895,889	1,081,510
Accounting Standards Update 2020-06 | Cumulative Effect, Period of Adoption, Adjustment
Long-term debt, net (Note 5)			74,822
Deferred income taxes, net			(18,779)
Additional paid-in capital			(80,066)
Retained earnings			$ 24,023
EPR Secured Notes [Member]
Long-term Debt	114,162			114,162	114,162
Notes and Loans Payable	132,904
Debt Instrument, Fair Value Disclosure	171,442
6.25% Notes [Member]
Long-term Debt	600,000			600,000	600,000
Debt Instrument, Fair Value Disclosure	605,520
0.0% Convertible Notes
Long-term Debt	575,000
Debt Instrument, Fair Value Disclosure	519,536
Convertible Notes Payable
Long-term Debt	$ 575,000			$ 575,000	$ 575,000