Supplemental disclosure of non-cash investment and financing activities [Abstract] Supplemental disclosure of non-cash investment and financing activities Other income Payments for issuances of short-term note ot associate Payments for issuances of short-term note ot associate Short-term Investments Short-term Investments Purchase Of Intangible Assets But Not Yet Paid Purchase Of Intangible Assets But Not Yet Paid Payments Of Withholding Taxes In Connection With Share-Based Payment Arrangements Payments Of Withholding Taxes In Connection With Share-Based Payment Arrangements Noncurrent Liabilities From Share Based Payment Transactions Noncurrent Liabilities From Share Based Payment Transactions Adjustments For Gains (Losses) On Change In Fair Value Of Note Receivable Due From Associates Adjustments For Gains (Losses) On Change In Fair Value Of Note Receivable Due From Associates Gain (Loss) On Investments In Notes From Associates Gain (Loss) On Investments In Notes From Associates Cash flows from (used in) financing activities Equity Cash receipts from repayment of current receivables due from associates, classified as investing activities Cash receipts from repayment of current receivables due from associates, classified as investing activities Cash in deconsolidated subsidiary Cash in deconsolidated subsidiary Noncash Interest Expense, Royalty Liability Noncash Interest Expense, Royalty Liability Cash flows from (used in) investing activities Non-cash items [Abstract] Non-cash items Number Of Treasury Shares Purchased Number Of Treasury Shares Purchased Non-current Liabilities, Royalty Liabilities Non-current Liabilities, Royalty Liabilities Payment to purchase treasury stock Payment to purchase treasury stock Purchase Of Convertible Notes And Warrants From Associates, Classified As Investing Activities Purchase Of Convertible Notes And Warrants From Associates, Classified As Investing Activities Sale Of Future Royalties Liability, Current Sale Of Future Royalties Liability, Current Decrease In Non-Controlling From Expiration Of Share Options In Subsidiary Decrease In Non-Controlling From Expiration Of Share Options In Subsidiary Increase Decrease Through Settlement Of Restricted Stock Units Increase Decrease Through Settlement Of Restricted Stock Units Consolidated Statements of Financial Position Conversion Of Note Receivable From Associate Into Preferred Shares Conversion Of Note Receivable From Associate Into Preferred Shares Increase (Decrease) Through Repurchase And Cancellation of Ordinary Shares, Tender Offer, Shares Increase (Decrease) Through Repurchase And Cancellation of Ordinary Shares, Tender Offer, Shares Cash flows from (used in) operating activities Beginning balance (in shares) Ending balance (in shares) Finance income (cost) Increase (Decrease) Through Repurchase And Cancellation of Ordinary Shares, Tender Offer Increase (Decrease) Through Repurchase And Cancellation of Ordinary Shares, Tender Offer Gain (Loss) Recognized On Dilution Of Ownership Interest In Associate Gain (Loss) Recognized On Dilution Of Ownership Interest In Associate Proceeds From Sale Of Future Royalties Proceeds From Sale Of Future Royalties Settlement of restricted stock units through issuance of equity Settlement of restricted stock units through issuance of equity Cost Associated With Tender Offer Not Yet Paid In Cash Cost Associated With Tender Offer Not Yet Paid In Cash Changes in operating assets and liabilities [Abstract] Changes in operating assets and liabilities Adjustments for increase decrease In deferred revenue Adjustments for increase decrease In deferred revenue Increase (decrease) in cash and cash equivalents before effect of exchange rate changes Preferred Share Liability Preferred Share Liability Number Of Ordinary Shares Issued To Settle Share-Based Payment Awards Number Of Ordinary Shares Issued To Settle Share-Based Payment Awards Payment for repurchase of ordinary shares, Tender Offer Payment for repurchase of ordinary shares, Tender Offer