Revenue from Contracts with Customers - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2022	Apr. 03, 2021
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	$ 572,328	$ 484,293
Workplace furnishings
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	353,106	302,748
Workplace furnishings | Systems and storage
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	207,893	182,859
Workplace furnishings | Seating
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	110,247	101,650
Workplace furnishings | Other
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	34,966	18,239
Residential building products
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	$ 219,222	$ 181,545