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Note 14 - Subsequent events (Details) (Subsequent Event [Member], USD $) In Millions, unless otherwise specified | Jul. 31, 2014 | Jul. 30, 2013
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Note 14 - Subsequent events (Details) [Line Items] |  |
Derivative, Notional Amount (in Dollars) | $ 20.4 | $ 20.4
United States of America, Dollars |  |
Note 14 - Subsequent events (Details) [Line Items] |  |
Derivative, Exchange Rate Floor |  | 1.00
Canada, Dollars |  |
Note 14 - Subsequent events (Details) [Line Items] |  |
Derivative, Exchange Rate Floor |  | 1.0630

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
Name: | invest_DerivativeNotionalAmount
Namespace Prefix: | invest_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

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- Details
Name: | tcx_Note14SubsequenteventsDetailsLineItems
Namespace Prefix: | tcx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Floor rate on a foreign currency derivative for example, but not limited to, a floor or a collar. + References No definition available. + Details
Name: | us-gaap_DerivativeExchangeRateFloor1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant