Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands		3 Months Ended			9 Months Ended
	Apr. 01, 2023	Sep. 30, 2022	Sep. 30, 2021	Jun. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Tax Disclosure [Line Items]
Income tax expense (benefit)		$ 18,579	$ 10,602		$ 40,615	$ 69,141
Watsonville Community Hospital [Member]
Income Tax Disclosure [Line Items]
Income tax expense (benefit)		$ 5,000
United Kingdom [Member]
Income Tax Disclosure [Line Items]
Income tax at the US statutory federal rate				19.00%
Net deferred tax liabilities, adjustment				$ 43,000
Forecast [Member] | United Kingdom [Member]
Income Tax Disclosure [Line Items]
Income tax at the US statutory federal rate	25.00%