XML 76 R60.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Revenue from Contracts with Customers (Details 2) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017
Contract with Customer, Contract Liability [Roll Forward] [Roll Forward] |  |
Beginning balance |  | $ 13,466
Additions to sales incentive accrual | $ 30,458 |
Contract payments | (26,992) |
Foreign currency fluctuations | (280) |
Ending balance | $ 16,652 |

X
- Definition Contract with Customer, Contract Liability [Roll Forward] + References No definition available. + Details
Name: | tnc_ContractwithCustomerContractLiabilityRollForwardRollForward
Namespace Prefix: | tnc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Contract with Customer, Liability, Contract Payments + References No definition available. + Details
Name: | tnc_ContractwithCustomerLiabilityContractPayments
Namespace Prefix: | tnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Contract with Customer, Liability, Impact of Foreign Currency + References No definition available. + Details
Name: | tnc_ContractwithCustomerLiabilityImpactofForeignCurrency
Namespace Prefix: | tnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Contract with Customer, Liability, Increase (Decrease) for Sales Incentive Accruals + References No definition available. + Details
Name: | tnc_ContractwithCustomerLiabilityIncreaseDecreaseforSalesIncentiveAccruals
Namespace Prefix: | tnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of liability for consideration received or receivable from customer which is not included in transaction price, when consideration is expected to be refunded to customer. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 55 -Paragraph 27 -URI http://asc.fasb.org/extlink&oid=108792157&loc=SL49130611-203046-203046 + Details
Name: | us-gaap_ContractWithCustomerRefundLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of liability for consideration received or receivable from customer which is not included in transaction price, when consideration is expected to be refunded to customer, classified as current. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 55 -Paragraph 27 -URI http://asc.fasb.org/extlink&oid=108792157&loc=SL49130611-203046-203046 + Details
Name: | us-gaap_ContractWithCustomerRefundLiabilityCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant