pre_text: Accumulated Other Comprehensive Income The table below details where reclassifications of realized transactions out of AOCI are recorded on the consolidated statements of income (amounts in millions).
table: Year ended March 31,
table: Description of AOCI Component 2019 2018 2017 Related Statement of Income Line
table: Unrealized losses on available-for-sale securities $(5.6) $(15.2) $(1.5) Other income, net
table: Amortization of actuarial loss (1.0) (0.8) — Other income, net
table: Reclassification of realized transactions, net of taxes $(6.6) $(16.0) $(1.5) Net Income
question: Analyse this data from a financial earnings document. What was the change in the Unrealized losses on available-for-sale securities between 2017 and 2018?