Condensed Consolidated Statements of Equity - USD ($) $ in Millions	Total	Dividends Payable Q3 2025	Cash Dividends Q3 2025	Dividends Payable A3 2025	Cash Dividends A3 2025	Dividends Payable Q3 2024	Cash Dividends Q3 2024	Dividends Payable A3 2024	Cash Dividends A3 2024	Common Stock	Additional Paid-in Capital	Retained Earnings	Retained Earnings Dividends Payable Q3 2025	Retained Earnings Cash Dividends Q3 2025	Retained Earnings Dividends Payable A3 2025	Retained Earnings Cash Dividends A3 2025	Retained Earnings Dividends Payable Q3 2024	Retained Earnings Cash Dividends Q3 2024	Retained Earnings Dividends Payable A3 2024	Retained Earnings Cash Dividends A3 2024	Accumulated Other Comprehensive Income (Loss)	Non-controlling Interest
Beginning balance at Dec. 30, 2023	$ 761.8									$ 46.9	$ 201.6	$ 523.6									$ (10.6)	$ 0.3
Comprehensive income:
Net income	101.2											101.2
Other comprehensive income (loss), net of tax	0.2																				0.2
Dividends								$ (1.2)	$ (46.5)										$ (1.2)	$ (46.5)
Common shares – treasury:
Shares purchased	(25.4)									(0.5)	(24.8)
Shares issued under Members’ Stock Purchase Plan and stock awards, net of tax	56.8									1.5	55.3
Ending balance at Sep. 28, 2024	846.9									47.8	232.1	577.1									(10.4)	0.3
Beginning balance at Jun. 29, 2024	788.1									47.1	204.0	545.7									(9.0)	0.3
Comprehensive income:
Net income	47.5											47.5
Other comprehensive income (loss), net of tax	(1.4)																				(1.4)
Dividends						$ (0.3)	$ (15.8)										$ (0.3)	$ (15.8)
Common shares – treasury:
Shares purchased	(11.8)									(0.2)	(11.6)
Shares issued under Members’ Stock Purchase Plan and stock awards, net of tax	40.7									0.9	39.8
Ending balance at Sep. 28, 2024	846.9									47.8	232.1	577.1									(10.4)	0.3
Beginning balance at Dec. 28, 2024	840.4									47.2	201.5	599.6									(8.3)	0.3
Comprehensive income:
Net income	103.4											103.4
Other comprehensive income (loss), net of tax	8.1																				8.1
Change in ownership for non-controlling interest	(0.3)																					(0.3)
Dividends				$ (0.7)	$ (46.8)										$ (0.7)	$ (46.8)
Common shares – treasury:
Shares purchased	(83.3)									(1.8)	(81.5)
Shares issued under Members’ Stock Purchase Plan and stock awards, net of tax	15.2									0.5	14.7
Ending balance at Sep. 27, 2025	835.9									45.8	134.7	655.5									(0.1)	0.0
Beginning balance at Jun. 28, 2025	811.0									45.8	135.6	630.0									(0.4)	0.0
Comprehensive income:
Net income	41.2											41.2
Other comprehensive income (loss), net of tax	0.3																				0.3
Dividends		$ (0.1)	$ (15.6)										$ (0.1)	$ (15.6)
Common shares – treasury:
Shares purchased	(3.4)									(0.1)	(3.4)
Shares issued under Members’ Stock Purchase Plan and stock awards, net of tax	2.6									0.1	2.5
Ending balance at Sep. 27, 2025	$ 835.9									$ 45.8	$ 134.7	$ 655.5									$ (0.1)	$ 0.0