pre_text: The following table represents the restricted stock units and SARS stock-based compensation information for the periods indicated (in thousands): (1) Classified as income tax expense within the Consolidated Statements of Operations.
table: Fiscal Year Ended August 31,
table: 2019 2018 2017
table: Intrinsic value of SARS exercised $335 $909 $5,053
table: Fair value of restricted stock units vested $49,725 $62,592 $44,010
table: Tax benefit for stock compensation expense(1) $611 $1,122 $560
table: Unrecognized stock-based compensation expense — restricted stock units $41,778
table: Remaining weighted-average period for restricted stock units expense 1.3years
question: Analyse this data from a financial earnings document. What was the change in the Intrinsic value of SARS exercised between 2017 and 2018?