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Cash and cash equivalents (Details) (USD $)
In Millions, unless otherwise specified
Mar. 31, 2015
Jun. 30, 2014
Cash And Cash Equivalents [Abstract]    
Credit card receivables from third party consumer credit card providers $ 4.3tues_CreditCardReceivablesFromThirdParty $ 3.8tues_CreditCardReceivablesFromThirdParty