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Fresh Start Accounting - Schedule Of Changes To Retained Earnings Reflect The Net Cumulative Impact (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Jun. 25, 2025	Jun. 24, 2025	Dec. 28, 2024	Dec. 30, 2023
Reorganization, Chapter 11 [Line Items]
Other intangible assets	$ 507,629		$ 529,000	$ 115,762
Long-term operating lease liabilities	2,198		2,588	44,322
Goodwill	200,073	$ 199,053	199,053	239,583	$ 243,441
Property and equipment	8,892		9,742	15,798
Portion of operating lease liabilities due within one year	1,256		9,094	8,168
Long-term debt, net	(465,492)		(465,518)	(1,430,643)
Operating lease assets	$ 3,229		3,491	$ 42,047
Reorganization Chapter 11 Fresh Start Adjustment Changes to Retained Earnings [Member]
Reorganization, Chapter 11 [Line Items]
Other intangible assets			446,855
Long-term operating lease liabilities			38,730
Goodwill			(43,369)
Accumulated other comprehensive loss			(17,206)
Property and equipment			6,176
Other current and noncurrent assets			(5,013)
Portion of operating lease liabilities within one year			(2,040)
Long-term debt			(1,816)
Operating lease assets			(1,626)
Total fresh start adjustments impacting reorganization items, net			420,691
Income tax effects on deferred income taxes			(32,815)
Income tax effects on accumulated other comprehensive income			2,079
Income tax effects on prepaid income taxes			2,417
Changes in retained earnings			$ 392,372

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