XML 48 R36.htm IDEA: XBRL DOCUMENT
v3.4.0.3

Divestiture (Details) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2016 USD ($) | Mar. 31, 2015 USD ($) | Dec. 31, 2015 | Jan. 31, 2016 USD ($)
Disposal Group, Not Discontinued Operation, Disposal Disclosures [Abstract] |  |  |  |
Relative size of the disposal group compared to the total company, in terms of revenue |  |  | 2.00% |
Date of divestiture | Jan. 31, 2016 |  |  |
Total selling price |  |  |  | $ 5,700
Proceeds from Sale of Business | $ 285 | $ 0 |  |
Amount to be received after working capital adjustments |  |  |  | 1,015
Amount financed as part of selling price |  |  |  | $ 4,400
Number of installment payments to be received | 13 |  |  |
Disposal Group, Not Discontinued Operation, Loss on Disposal | $ 62 |  |  |

X
- Definition The amount financed associated with the divestment of businesses during the period. The finance portion only of the selling price. + References No definition available. + Details
Name: | tnc_DisposalGroupNotDiscontinuedOperationAmountFinancedasPartofSellingPrice
Namespace Prefix: | tnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Disposal Group, Not Discontinued Operation, Amount to be Received After Working Capital Adjustments + References No definition available. + Details
Name: | tnc_DisposalGroupNotDiscontinuedOperationAmounttobeReceivedAfterWorkingCapitalAdjustments
Namespace Prefix: | tnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of installment payments to be received as part of financing the selling price of a business divestiture + References No definition available. + Details
Name: | tnc_DisposalGroupNotDiscontinuedOperationsNumberofInstallmentPaymentsReceivedasPartofSaleofBusiness.
Namespace Prefix: | tnc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of revenue of a disposal group relative to the total company's revenue + References No definition available. + Details
Name: | tnc_Relativesizeofthedisposalgroupcomparedtothetotalcompanyintermsofrevenue
Namespace Prefix: | tnc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date the entity disposed of a business or a group of assets, in CCYY-MM-DD format. + References No definition available. + Details
Name: | us-gaap_DisposalDate1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation. + References No definition available. + Details
Name: | us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=51824106&loc=d3e2443-110228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51719941&loc=d3e2941-110230 + Details
Name: | us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3179-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
Name: | us-gaap_ProceedsFromDivestitureOfBusinesses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration