Discontinued Operation, Amounts of Material Contingent Liabilities Remaining, Performance Bonds

No definition available.

Name:	tti_DiscontinuedOperationAmountsofMaterialContingentLiabilitiesRemainingPerformanceBonds
Namespace Prefix:	tti_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Disposal Group, Including Discontinued Operation, Consideration, Additional Receivable

+ References

No definition available.

+ Details

Name:	tti_DisposalGroupIncludingDiscontinuedOperationConsiderationAdditionalReceivable
Namespace Prefix:	tti_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Disposal Group, Including Discontinued Operation, Consideration, Promissory Note Receivable, Interest Rate

+ References

No definition available.

+ Details

Name:	tti_DisposalGroupIncludingDiscontinuedOperationConsiderationPromissoryNoteReceivableInterestRate
Namespace Prefix:	tti_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Disposal Group, Including Discontinued Operation, Reserve, Other Receivables

+ References

No definition available.

+ Details

Name:	tti_DisposalGroupIncludingDiscontinuedOperationReserveOtherReceivables
Namespace Prefix:	tti_
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.

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No definition available.

+ Details

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

- Details

Name:	us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=tti_OffshoreDivisionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DisposalGroupClassificationAxis=us-gaap_DiscontinuedOperationsDisposedOfBySaleMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Commitments and Contingencies Commitment and Contingencies (Details) - USD ($) $ in Millions	Mar. 31, 2020	Aug. 31, 2019	Mar. 01, 2018
Long-term Purchase Commitment [Line Items]
Discontinued operation, amounts of material contingent liabilities remaining, performance bonds	$ 47.0
Offshore Division \| Discontinued Operations, Disposed of by Sale
Long-term Purchase Commitment [Line Items]
Disposal Group, Including Discontinued Operation, Consideration, Additional Receivable			$ 7.5
Disposal group, including discontinued operation, consideration, promissory note receivable, interest rate			1.52%
Disposal Group, Including Discontinued Operation, Reserve, Other Receivables		$ 1.5