XML 44 R37.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Summary of Significant Accounting Policies and Practices - Additional Information (Detail) (USD $) | 3 Months Ended |  |
--- | --- | --- | ---
Aug. 31, 2013 | Aug. 31, 2012 | Jul. 01, 2013 | May 31, 2013
Significant Accounting Policies [Line Items] |  |  |  |
Excess of Market capitalization over carrying value of net assets |  |  | $ 500,000,000 |
Excess of Market capitalization over carrying value of net assets, percentage |  |  | 170.00% |
Goodwill | 108,977,000 |  |  | 103,466,000
Deferred tax assets recovery from future taxable income percentage | 50.00% |  |  |
Workers compensation our self-insured retention | 1,000,000 |  |  |
Automobile liability self-insured retention | 500,000 |  |  |
General liability claims we have an effective self-insured retention | 3,000,000 |  |  |
Medical claims, our self-insured retention | 175,000 |  |  |
Environmental liability claims, our self-insured retention | 500,000 |  |  |
Amount of earned but unbilled revenue included in accounts receivable | $ 26,795,000 |  |  | $ 25,516,000
Single customer accounts consolidated revenue | 10.00% |  |  |
Options to purchase shares of common stock outstanding | 0 | 557,000 |  |

X
- Definition Automobile liability self insured retention. + References No definition available. + Details
Name: | tisi_AutomobileLiabilitySelfInsuredRetention
Namespace Prefix: | tisi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Deferred tax assets recovery from future taxable income percentage. + References No definition available. + Details
Name: | tisi_DeferredTaxAssetsRecoveryFromFutureTaxableIncomePercentage
Namespace Prefix: | tisi_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Environmental liability claims self insured retention. + References No definition available. + Details
Name: | tisi_EnvironmentalLiabilityClaimsSelfInsuredRetention
Namespace Prefix: | tisi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Excess of Market Capitalization over Carrying Value, Amount + References No definition available. + Details
Name: | tisi_ExcessOfMarketCapitalizationOverCarryingValueAmount
Namespace Prefix: | tisi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Excess of Market Capitalization over Carrying Value, Percentage + References No definition available. + Details
Name: | tisi_ExcessOfMarketCapitalizationOverCarryingValuePercentage
Namespace Prefix: | tisi_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition General liability claims effective self insured retention. + References No definition available. + Details
Name: | tisi_GeneralLiabilityClaimsEffectiveSelfInsuredRetention
Namespace Prefix: | tisi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Medical claims self insured retention. + References No definition available. + Details
Name: | tisi_MedicalClaimsSelfInsuredRetention
Namespace Prefix: | tisi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Options to purchase shares of common stock outstanding. + References No definition available. + Details
Name: | tisi_OptionsToPurchaseSharesOfCommonStockOutstanding
Namespace Prefix: | tisi_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | tisi_SignificantAccountingPoliciesLineItems
Namespace Prefix: | tisi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Single customer accounts consolidated revenue. + References No definition available. + Details
Name: | tisi_SingleCustomerAccountsConsolidatedRevenue
Namespace Prefix: | tisi_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Workers compensation our self insured retention. + References No definition available. + Details
Name: | tisi_WorkersCompensationSelfInsuredRetention
Namespace Prefix: | tisi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
Name: | us-gaap_Goodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of unbilled receivables under long-term contracts that have not been billed and were not billable that are expected to be collected in the next fiscal year. + References No definition available. + Details
Name: | us-gaap_UnbilledReceivablesNotBillableAtBalanceSheetDateAmountExpectedToBeCollectedWithinOneYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant