Consolidated Statements of Equity - USD ($) $ in Millions	Total	O 2023 Q1 Dividends	O 2022 A Dividends	O 2024 Q1 Dividends	O 2023 A Dividends	O 2025 Q1 Dividends	O 2024 A Dividends	Common Stock	Additional Paid-in Capital	Retained Earnings	Retained Earnings O 2023 Q1 Dividends	Retained Earnings O 2022 A Dividends	Retained Earnings O 2024 Q1 Dividends	Retained Earnings O 2023 A Dividends	Retained Earnings O 2025 Q1 Dividends	Retained Earnings O 2024 A Dividends	Accumulated Other Comprehensive Income (Loss)	Non-controlling Interest
Beginning balance at Jan. 01, 2022	$ 590.0							$ 42.6	$ 39.2	$ 514.6							$ (6.8)	$ 0.3
Comprehensive income:
Net income (loss)	123.9									123.9								0.0
Other comprehensive income (loss), net of tax	(1.3)																(1.3)
Dividends		$ (0.4)	$ (53.0)								$ (0.4)	$ (53.0)
Common shares – treasury:
Shares purchased	(63.9)							(1.7)	(11.1)	(51.1)
Shares issued under Members’ Stock Purchase Plan and stock awards, net of tax	21.5							0.5	21.0
Ending balance at Dec. 31, 2022	616.8							41.4	49.1	534.0							(8.0)	0.3
Comprehensive income:
Net income (loss)	49.2									49.2								0.0
Other comprehensive income (loss), net of tax	(2.6)																(2.6)
Dividends				$ (1.6)	$ (58.1)								$ (1.6)	$ (58.1)
Common shares – treasury:
Shares purchased	(0.4)							(0.0)	(0.4)
Shares issued in connection with Kimball International, Inc acquisition	120.8							4.7	116.1
Shares issued under Members’ Stock Purchase Plan and stock awards, net of tax	37.6							0.7	36.9
Ending balance at Dec. 30, 2023	761.8							46.9	201.6	523.6							(10.6)	0.3
Comprehensive income:
Net income (loss)	139.5									139.5								0.0
Other comprehensive income (loss), net of tax	2.4																2.4
Dividends						$ (1.3)	$ (62.2)								$ (1.3)	$ (62.2)
Common shares – treasury:
Shares purchased	(66.0)							(1.3)	(64.7)
Shares issued under Members’ Stock Purchase Plan and stock awards, net of tax	66.2							1.6	64.5
Ending balance at Dec. 28, 2024	$ 840.4							$ 47.2	$ 201.5	$ 599.6							$ (8.3)	$ 0.3