Reportable Segment Information (Details) $ in Thousands	3 Months Ended
	Apr. 02, 2022 USD ($) segment	Apr. 03, 2021 USD ($)	Jan. 01, 2022 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment	2
Net sales	$ 572,328	$ 484,293
Income (Loss) Before Income Taxes:	20,437	22,600
Interest expense, net	1,986	1,755
Income before income taxes	18,451	20,845
Depreciation and Amortization Expense:	21,098	20,463
Capital Expenditures (including capitalized software):	18,236	18,964
Identifiable Assets:	1,525,004		$ 1,497,897
Workplace furnishings
Segment Reporting Information [Line Items]
Net sales	353,106	302,748
Residential building products
Segment Reporting Information [Line Items]
Net sales	219,222	181,545
Operating segments | Workplace furnishings
Segment Reporting Information [Line Items]
Net sales	353,106	302,748
Income (Loss) Before Income Taxes:	(6,420)	(3,071)
Depreciation and Amortization Expense:	11,524	11,984
Capital Expenditures (including capitalized software):	8,217	10,487
Identifiable Assets:	850,998		808,963
Operating segments | Residential building products
Segment Reporting Information [Line Items]
Net sales	219,222	181,545
Income (Loss) Before Income Taxes:	40,382	39,849
Depreciation and Amortization Expense:	3,063	2,410
Capital Expenditures (including capitalized software):	5,754	4,710
Identifiable Assets:	498,060		479,462
General corporate
Segment Reporting Information [Line Items]
Income (Loss) Before Income Taxes:	(13,525)	(14,178)
Depreciation and Amortization Expense:	6,511	6,069
Capital Expenditures (including capitalized software):	4,265	$ 3,767
Identifiable Assets:	$ 175,946		$ 209,472