XML 88 R82.htm IDEA: XBRL DOCUMENT
v3.20.1

Segment Information - Schedule of Balance Sheet Information (Details) - USD ($) $ in Thousands | Dec. 28, 2019 | Dec. 29, 2018
--- | --- | ---
Segment Reporting Information [Line Items] |  |  |
Assets | $ 29,034 | $ 35,040 |
Intangible Assets | 17,705 | 21,394 | [1]
Recycling |  |  |
Segment Reporting Information [Line Items] |  |  |
Assets | 11,505 | 13,985 |
Intangible Assets | 465 | 425 |
Technology |  |  |
Segment Reporting Information [Line Items] |  |  |
Assets | 17,529 | 21,055 |
Intangible Assets | $ 17,240 | $ 20,969 |
[1] | During fiscal 2019, the Company noted that its internally developed software, net of amortization, of $406 was included in property, plant and equipment instead of intangibles as of December 29, 2018. The Company has reclassified its internally developed software from property, plant and equipment to intangibles as of December 29, 2018.

X
- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(11)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(12)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 + Details
Name: | us-gaap_Assets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=jan_RecyclingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=jan_TechnologyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |