FINANCE RECEIVABLES - Past Due Finance Receivables (Details) - USD ($)	Mar. 31, 2020	Dec. 31, 2019
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	$ 156,800,000	$ 155,300,000
Noncurrent past due	9,000,000.0	10,900,000
Total finance receivables	165,800,000	166,200,000
31-60 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Noncurrent past due	700,000	2,400,000
61-90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Noncurrent past due	300,000	400,000
Greater than 90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Noncurrent past due	8,000,000.0	8,100,000
Commercial loans
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	137,700,000	135,100,000
Noncurrent past due	8,700,000	10,600,000
Total finance receivables	146,400,000	145,700,000
Non-accrual status	26,700,000	27,100,000
Commercial loans \| 31-60 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Noncurrent past due	700,000	2,400,000
Commercial loans \| 61-90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Noncurrent past due	300,000	100,000
Commercial loans \| Greater than 90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Noncurrent past due	7,700,000	8,100,000
Sales-type leases
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	19,100,000	20,200,000
Noncurrent past due	300,000	300,000
Total finance receivables	19,400,000	20,500,000
Non-accrual status	300,000	300,000
Sales-type leases \| 31-60 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Noncurrent past due	0	0
Sales-type leases \| 61-90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Noncurrent past due	0	300,000
Sales-type leases \| Greater than 90 days past due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Noncurrent past due	$ 300,000	$ 0

Amount of financing receivable not past due.

Name:	us-gaap_FinancingReceivableRecordedInvestmentCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of financing receivable on nonaccrual status.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5111-111524

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 16
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919258-210447

+ Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of financing receivable past due.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 55
-Paragraph 80
-URI http://asc.fasb.org/extlink&oid=118955255&loc=SL82922355-210448

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 14
-URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919253-210447

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7A
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953401-111524

+ Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentPastDue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- 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_FinancingReceivableRecordedInvestmentPastDueLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, before allowance for credit loss, of financing receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919230-210447

+ Details

Name:	us-gaap_NotesReceivableGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables30To59DaysPastDueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables60To89DaysPastDueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=tex_SalestypeLeasesPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: