Westbrook, Maine-Based IDEXX Laboratories Generated EPS of 43 Cents in the 4Q 2017, Down 15 Cents or Down By 26% From the 4Q 2016 EPS of 58 Cents ....................................................................................... The 4Q 2017 Earnings Decline of 15 Cents Was Caused By a 34 Cents EPS Charge in the 4Q 2017 Resulting From Higher Income Tax Expenses Due the US Trump Tax Bill