Condensed Consolidated Statements of Equity - USD ($) $ in Millions	Total	Dividend payable	Cash dividends	Common Stock	Additional Paid-in Capital	Retained Earnings	Retained Earnings Dividend payable	Retained Earnings Cash 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)	107.6					107.6				(0.0)
Other comprehensive income (loss), net of tax	(5.4)								(5.4)
Dividends		$ (0.3)	$ (39.7)				$ (0.3)	$ (39.7)
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	18.1			0.5	17.7
Ending balance at Oct. 01, 2022	606.4			41.4	45.8	531.1			(12.2)	0.3
Beginning balance at Jul. 02, 2022	562.0			41.3	47.4	481.1			(8.1)	0.3
Comprehensive income:
Net income (loss)	63.1					63.1				(0.0)
Other comprehensive income (loss), net of tax	(4.0)								(4.0)
Dividends		0.2	(13.2)				0.2	(13.2)
Common shares – treasury:
Shares issued under Members’ Stock Purchase Plan and stock awards, net of tax	(1.6)			0.0	(1.6)
Ending balance at Oct. 01, 2022	606.4			41.4	45.8	531.1			(12.2)	0.3
Beginning balance at Dec. 31, 2022	616.8			41.4	49.1	534.0			(8.0)	0.3
Comprehensive income:
Net income (loss)	26.5					26.5				0.0
Other comprehensive income (loss), net of tax	(0.2)								(0.2)
Dividends		(0.9)	(43.1)				(0.9)	(43.1)
Common shares – treasury:
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	21.2			0.4	20.7
Ending balance at Sep. 30, 2023	741.1			46.6	185.9	516.5			(8.2)	0.3
Beginning balance at Jul. 01, 2023	715.3			46.5	182.5	493.9			(8.0)	0.3
Comprehensive income:
Net income (loss)	37.8					37.8				0.0
Other comprehensive income (loss), net of tax	(0.2)								(0.2)
Dividends		$ (0.3)	$ (14.9)				$ (0.3)	$ (14.9)
Common shares – treasury:
Shares issued under Members’ Stock Purchase Plan and stock awards, net of tax	3.4			0.0	3.4
Ending balance at Sep. 30, 2023	$ 741.1			$ 46.6	$ 185.9	$ 516.5			$ (8.2)	$ 0.3