Stock-Based Compensation	6 Months Ended
Stock-Based Compensation	Jul. 02, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Stock-Based Compensation	Stock-Based Compensation The Corporation measures stock-based compensation expense at grant date, based on the fair value of the award, and recognizes expense over the employees' requisite service periods. For the three months and six months ended July 2, 2016, the Corporation recognized $1.1 million and $6.4 million, respectively, of stock based compensation expense. For the three months and six months ended July 4, 2015, the Corporation recognized $2.8 million and $6.3 million, respectively, of stock based compensation expense. Stock-based compensation expense is the cost of stock options and time-based restricted stock units issued under the HNI Corporation 2007 Stock-Based Compensation Plan and shares issued under the HNI Corporation 2002 Members' Stock Purchase Plan. The Corporation granted stock options with fair values of $7.7 million and $6.5 million and time-based restricted stock units with adjusted fair values of $0.7 million and $1.1 million in the six months ended July 2, 2016 and July 4, 2015, respectively. At July 2, 2016, there was $4.3 million of unrecognized compensation cost related to nonvested stock options, which the Corporation expects to recognize over a weighted-average remaining service period of 1.4 years and $1.3 million of unrecognized compensation cost related to nonvested restricted stock units, which the Corporation expects to recognize over a weighted-average remaining service period of 1.1 years.

The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.