Statement of changes in equity [table] Finance income (cost) Comprehensive income [abstract] Components of equity [axis] Adjustments to reconcile profit (loss) [abstract] Options Exercised And Ltip Shares Issued Options Exercised And Ltip Shares Issued Capitalized Development Cost Reserve [Member] Capitalized Development Cost Reserve Cash flows from (used in) operating activities [abstract] Liabilities [abstract] Effect of exchange rate changes on cash and cash equivalents [abstract] Reserve Participating Interest [Member] Reserve Participating Interest Assets [abstract] Country of incorporation Non-current liabilities [abstract] Bonuses Settled In Shares Bonuses Settled In Shares Principal place of business Domicile of entity Legal form of entity Non-current assets [abstract] Payment On Contingent Consideration Payment On Contingent Consideration Name of reporting entity or other means of identification Cash flows from (used in) investing activities Total Transactions With Owners, Recognized Directly In Equity Total Transactions With Owners, Recognized Directly In Equity Total Transactions With Owners, Recognized Directly In Equity Gross profit Current liabilities [abstract] Name of ultimate parent of group Increase (decrease) in cash and cash equivalents before effect of exchange rate changes Statement of changes in equity [line items] Cash flows from (used in) financing activities Cash flows from (used in) investing activities [abstract] Cash flows from (used in) financing activities [abstract] Description of nature of entity's operations and principal activities Other expense, by function Cash flows from (used in) operating activities Current assets [abstract] Increase (decrease) in working capital Cash flows from (used in) operations before changes in working capital