Held for Sale - Schedule of Assets and Liabilities Held for Sale in the Condensed Consolidated Balance Sheets (Details) - Discontinued Operations, Held-for-sale - HNI India $ in Millions	Mar. 29, 2025 USD ($)
Assets
Cash	$ 0.6
Receivables	9.5
Inventories	2.7
Prepaid expenses and other current assets	0.2
Property, plant & equipment	4.1
Right-of-use operating leases	0.4
Valuation allowance to adjust assets to estimated fair value, less costs of sale	(6.0)
Total Assets held for sale	11.5
Liabilities:
Accounts payable and accrued expenses	6.2
Current maturities of debt	0.9
Lease obligations - operating	0.4
Total Liabilities held for sale	$ 7.6