XML 57 R43.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Summary of Significant Accounting Policies (Product Warranties) (Details) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 30, 2017 | Dec. 31, 2016 | Jan. 02, 2016 | Dec. 30, 2017 | Dec. 31, 2016
Product Warranty Accrual [Roll Forward] |  |  |  |  |
Balance at beginning of period | $ 15,250 | $ 16,227 | $ 16,719 |  |
Accruals settled from divestiture | 0 | (538) | 0 |  |
Accruals for warranties issued during period | 20,075 | 20,055 | 19,995 |  |
Adjustments related to pre-existing warranties | 194 | 604 | (334) |  |
Settlements made during the period | (20,131) | (21,098) | (20,153) |  |
Balance at end of period | 15,388 | 15,250 | 16,227 |  |
Product Warranties Disclosures [Abstract] |  |  |  |  |
Current - in the next twelve months |  |  |  | $ 9,524 | $ 6,959
Long-term - beyond one year |  |  |  | 5,864 | 8,291
Standard product warranty accrual | $ 15,250 | $ 16,227 | $ 16,719 | $ 15,388 | $ 15,250

X
- Definition Standard Product Warranty Accrual, Reduction for Business Disposition + References No definition available. + Details
Name: | hni_StandardProductWarrantyAccrualReductionforBusinessDisposition
Namespace Prefix: | hni_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_MovementInStandardProductWarrantyAccrualRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Amount as of the balance sheet date of the aggregate standard product warranty liability. Does not include the balance for the extended product warranty liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (c)(1),(c)(5) -URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249 + Details
Name: | us-gaap_StandardProductWarrantyAccrual
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount as of the balance sheet date of the aggregate standard product warranty liability that is expected to be paid within one year or the normal operating cycle, if longer. Does not include the balance for the extended product warranty liability. + References No definition available. + Details
Name: | us-gaap_StandardProductWarrantyAccrualCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount as of the balance sheet date of the aggregate standard product warranty liability that is expected to be paid after one year or beyond the normal operating cycle, if longer. Does not include the balance for the extended product warranty liability. + References No definition available. + Details
Name: | us-gaap_StandardProductWarrantyAccrualNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of decrease in the standard product warranty accrual from payments made in cash or in kind to satisfy claims under the terms of the standard product warranty. Excludes extended product warranties. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph ((c)(2)) -URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249 + Details
Name: | us-gaap_StandardProductWarrantyAccrualPayments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of increase (decrease) in the standard product warranty accrual from changes in estimates attributable to preexisting product warranties. Excludes extended product warranties. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph ((c)(4)) -URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249 + Details
Name: | us-gaap_StandardProductWarrantyAccrualPreexistingIncreaseDecrease
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of increase in the standard product warranty accrual from warranties issued. Excludes extended product warranties. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph ((c)(3)) -URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249 + Details
Name: | us-gaap_StandardProductWarrantyAccrualWarrantiesIssued
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration