Recoverable Non-income Taxes (Details Textual) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Recoverable Non-income Taxes [Abstract]
Current assets receivables	$ 15.3	$ 20.7
Non-current assets receivables	$ 20.0	$ 18.8

Recoverable nonincome taxes included in assets noncurrent

No definition available.

Name:	tecua_RecoverableNonincomeTaxesIncludedInAssetsNoncurrent
Namespace Prefix:	tecua_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant