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Represents the ratio of total debt to consolidated adjusted earnings before interest, taxes, depreciation and amortization allowed under the terms of the debt convents.

No definition available.

Name:	th_DebtInstrumentCovenantConsolidatedLeverageRatio
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Maintain the ratios when the excess availability reaches the minimum described in the agreement.

No definition available.

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Maintain the ratios when the excess availability reaches the minimum described in the agreement.

No definition available.

Name:	th_LineOfCreditFacilityBorrowingBaseLineCapPercent
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Option to increase Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

No definition available.

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Percentage of net book value of borrowers' eligible accounts receivables.

No definition available.

Name:	th_PercentageOfNetBookValueOfBorrowersEligibleAccountsReceivable
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Percentage of net book value of borrowers' eligible rental equipment.

No definition available.

Name:	th_PercentageOfNetBookValueOfBorrowersEligibleRentalEquipment
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Percentage of net orderly liquidation value of borrowers' eligible rental equipment.

No definition available.

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Percentage of voting equity interests in non-US restricted subsidiary pledge.

No definition available.

Name:	th_PercentageOfVotingEquityInterestInNonUsRestrictedSubsidiaryPledged
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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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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.

No definition available.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
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Name:	us-gaap_RepaymentsOfLinesOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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