XML 68 R58.htm IDEA: XBRL DOCUMENT v3.8.0.1
Accumulated Other Comprehensive Income (Loss) and Shareholders' Equity (Reclassification) (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2018
Apr. 01, 2017
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Interest (expense) or income $ (2,337) $ (1,046)
Tax (expense) or benefit 999 (2,178)
Net income attributable to HNI Corporation 2,510 4,837
Interest rate swap | Reclassifications from accumulated other comprehensive income (loss) | Derivative Financial Instruments    
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]    
Interest (expense) or income 115 (192)
Tax (expense) or benefit (28) 71
Net income attributable to HNI Corporation $ 87 $ (121)