XML 20 R10.htm IDEA: XBRL DOCUMENT
v3.20.2

Acquisitions | 6 Months Ended
--- | ---
Jun. 27, 2020
Business Combinations [Abstract] |
Acquisitions | AcquisitionsDuring the six months ended June 27, 2020, the Corporation acquired three residential building products distributors, in January 2020, March 2020 and June 2020. All transactions were asset acquisitions and were consummated entirely in cash. The aggregate purchase price was approximately $12 million, and the preliminary allocation includes $10.5 million of goodwill, which is tax deductible. The remaining assets and liabilities acquired are not material. The Corporation will finalize the allocation of the purchase price during 2020 based on the final purchase price and any adjustments required over the remaining measurement period.

X
- Definition Business Combination And Asset Acquisition Disclosure [Text Block] + References No definition available. + Details
Name: | hni_BusinessCombinationAndAssetAcquisitionDisclosureTextBlock
Namespace Prefix: | hni_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_BusinessCombinationsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration