Income Taxes	3 Months Ended
Sep. 30, 2015
Income Taxes [Abstract]
Income Taxes	16. Income tax Income tax in interim periods For the purposes of interim financial reporting, the Company determines the appropriate income tax provision by first applying the effective tax rate expected to be applicable for the full fiscal year to ordinary income. This amount is then adjusted for the tax effect of significant unusual or extraordinary items, for instance, changes in tax law, valuation allowances and non-deductible transaction-related expenses that are reported separately, and have an impact on the tax charge. The cumulative effect of any change in the enacted tax rate, if and when applicable, on the opening balance of deferred tax assets and liabilities is also included in the tax charge as a discrete event in the interim period in which the enactment date occurs. For the three months ended September 30, 2015, the tax charge was calculated using the expected effective tax rate for the year. The Company's effective tax rate for the three months ended September 30, 2015, was 31.6% and was higher than the South African statutory rate as a result of a valuation allowance for foreign tax credits and non-deductible expenses (including consulting and legal fees). The Company's effective tax rate for the three months ended September 30, 2014, was 32.4%, and was higher than the South African statutory rate primarily as a result of non-deductible expenses (including interest expense related to the Company's long-term Korean borrowings and stock-based compensation charges). Uncertain tax positions The Company increased its unrecognized tax benefits by approximately $0.1 million during the three months ended September 30, 2015. As of September 30, 2015, the Company had accrued interest related to uncertain tax positions of approximately $2.3 million on its balance sheet. The Company does not expect changes related to its unrecognized tax benefits will have a significant impact on its results of operations or financial position in the next 12 months. As of September 30, 2015 and June 30, 2015, the Company has unrecognized tax benefits of $2.4 million and $2.3 million, respectively, all of which would impact the Company's effective tax rate. The Company files income tax returns mainly in South Africa, South Korea, India, the United Kingdom, Botswana and in the U.S. federal jurisdiction. As of September 30, 2015, the Company's South African subsidiaries are no longer subject to income tax examination by the South African Revenue Service for periods before June 30, 2011. The Company is subject to income tax in other jurisdictions outside South Africa, none of which are individually material to its financial position, results of operations or cash flows.

16. Income tax

Income tax in interim periods

For the purposes of interim financial reporting, the Company determines the appropriate income tax provision by first applying the effective tax rate expected to be applicable for the full fiscal year to ordinary income. This amount is then adjusted for the tax effect of significant unusual or extraordinary items, for instance, changes in tax law, valuation allowances and non-deductible transaction-related expenses that are reported separately, and have an impact on the tax charge. The cumulative effect of any change in the enacted tax rate, if and when applicable, on the opening balance of deferred tax assets and liabilities is also included in the tax charge as a discrete event in the interim period in which the enactment date occurs.

For the three months ended September 30, 2015, the tax charge was calculated using the expected effective tax rate for the year. The Company's effective tax rate for the three months ended September 30, 2015, was 31.6% and was higher than the South African statutory rate as a result of a valuation allowance for foreign tax credits and non-deductible expenses (including consulting and legal fees).

The Company's effective tax rate for the three months ended September 30, 2014, was 32.4%, and was higher than the South African statutory rate primarily as a result of non-deductible expenses (including interest expense related to the Company's long-term Korean borrowings and stock-based compensation charges).

Uncertain tax positions

The Company increased its unrecognized tax benefits by approximately $0.1 million during the three months ended September 30, 2015. As of September 30, 2015, the Company had accrued interest related to uncertain tax positions of approximately $2.3 million on its balance sheet.

The Company does not expect changes related to its unrecognized tax benefits will have a significant impact on its results of operations or financial position in the next 12 months.

As of September 30, 2015 and June 30, 2015, the Company has unrecognized tax benefits of $2.4 million and $2.3 million, respectively, all of which would impact the Company's effective tax rate. The Company files income tax returns mainly in South Africa, South Korea, India, the United Kingdom, Botswana and in the U.S. federal jurisdiction. As of September 30, 2015, the Company's South African subsidiaries are no longer subject to income tax examination by the South African Revenue Service for periods before June 30, 2011. The Company is subject to income tax in other jurisdictions outside South Africa, none of which are individually material to its financial position, results of operations or cash flows.