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Venezuela's Highly Inflationary Economy - Additional Information (Detail) (USD $)	3 Months Ended			6 Months Ended		3 Months Ended
	Nov. 30, 2014	Feb. 28, 2014	Nov. 30, 2013	Nov. 30, 2014	Nov. 30, 2013	May 31, 2014	Mar. 31, 2014
Investment in Country with High Inflationary Economy [Line Items]
Percentage of consolidated revenues from small service location				1.00%tisi_MaximumPercentageOfSalesRevenueNetFrom
Recognized losses related to the Venezuelan currency	$ (635,000)us-gaap_ForeignCurrencyTransactionGainLossBeforeTax	$ (1,900,000)us-gaap_ForeignCurrencyTransactionGainLossBeforeTax	$ (140,000)us-gaap_ForeignCurrencyTransactionGainLossBeforeTax	$ (816,000)us-gaap_ForeignCurrencyTransactionGainLossBeforeTax	$ (530,000)us-gaap_ForeignCurrencyTransactionGainLossBeforeTax
SICAD-2
Investment in Country with High Inflationary Economy [Line Items]
Recognized losses related to the Venezuelan currency						(2,100,000)us-gaap_ForeignCurrencyTransactionGainLossBeforeTax / tisi_AllExchangesAxis = tisi_SICADTwoMember
Foreign currency exchange rate							50us-gaap_ForeignCurrencyExchangeRateTranslation1 / tisi_AllExchangesAxis = tisi_SICADTwoMember
SICAD-2 | Minimum
Investment in Country with High Inflationary Economy [Line Items]
Foreign currency exchange rate							10us-gaap_ForeignCurrencyExchangeRateTranslation1 / tisi_AllExchangesAxis = tisi_SICADTwoMember / us-gaap_RangeAxis = us-gaap_MinimumMember
SICAD-2 | Maximum
Investment in Country with High Inflationary Economy [Line Items]
Foreign currency exchange rate							11.8us-gaap_ForeignCurrencyExchangeRateTranslation1 / tisi_AllExchangesAxis = tisi_SICADTwoMember / us-gaap_RangeAxis = us-gaap_MaximumMember
Venezuela
Investment in Country with High Inflationary Economy [Line Items]
Net assets of Venezuelan subsidiary	$ 900,000us-gaap_AssetsNet / us-gaap_StatementGeographicalAxis = country_VE			$ 900,000us-gaap_AssetsNet / us-gaap_StatementGeographicalAxis = country_VE		$ 700,000us-gaap_AssetsNet / us-gaap_StatementGeographicalAxis = country_VE

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Maximum percentage of sales revenue from small service location in hyperinflationary economy.

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