Condensed Consolidated Statements of Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 02, 2022	Apr. 03, 2021
Income Statement [Abstract]
Net sales	$ 572,328	$ 484,293
Cost of sales	375,419	304,347
Gross profit	196,909	179,946
Selling and administrative expenses	176,472	157,346
Operating income	20,437	22,600
Interest expense, net	1,986	1,755
Income before income taxes	18,451	20,845
Income taxes	4,274	5,827
Net income	14,177	15,018
Less: Net loss attributable to non-controlling interest	(1)	(1)
Net income attributable to HNI Corporation	$ 14,178	$ 15,019
Average number of common shares outstanding – basic (in shares)	42,388	43,163
Net income attributable to HNI Corporation per common share – basic (in dollars per share)	$ 0.33	$ 0.35
Average number of common shares outstanding – diluted (in shares)	43,072	43,584
Net income attributable to HNI Corporation per common share – diluted (in dollars per share)	$ 0.33	$ 0.34
Foreign currency translation adjustments	$ (568)	$ (132)
Change in unrealized gains (losses) on marketable securities, net of tax	(410)	(100)
Change in derivative financial instruments, net of tax	913	263
Other comprehensive income (loss), net of tax	(65)	31
Comprehensive income	14,112	15,049
Less: Comprehensive loss attributable to non-controlling interest	(1)	(1)
Comprehensive income attributable to HNI Corporation	$ 14,113	$ 15,050