pre_text: Consolidated Statements of Comprehensive Income (Loss) (Amounts in thousands) (1) Fiscal years ended March 31, 2018 and 2017 adjusted due to the adoption of ASC 606. (2) Fiscal year ended March 31, 2018 adjusted due to the adoption of ASC 606. See accompanying notes to consolidated financial statements.
table: Fiscal Years Ended March 31,
table: 2019 2018 2017
table: Net income (1) $206,587 $254,127 $47,157
table: Other comprehensive income (loss), net of tax:
table: Foreign currency translation gains (losses) (2) (24,065) 35,271 (15,284)
table: Defined benefit pension plans (927) 167 163
table: Defined benefit post-retirement plan adjustments (86) (255) 20
table: Equity interest in investee’s other comprehensive income (loss) (11) 5,584 1,440
table: Foreign exchange contracts (588) (1,753) 3,274
table: Excluded component of fair value hedges (2,249) — —
table: Other comprehensive income (loss) (2) (27,926) 39,014 (10,387)
table: Total comprehensive income (1) $178,661 $293,141 $36,770
question: Analyse this data from a financial earnings document. What was the change in Defined benefit post-retirement plan adjustments between 2017 and 2019?