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Leadership Change	3 Months Ended
Leadership Change	Mar. 31, 2018
Leadership Changes
Leadership Changes	13. Leadership Change On February 9, 2018, the Company announced the retirement of the Company’s President. The Company entered into a Separation Agreement with the President, and pursuant to the terms of this agreement, the Company incurred a total cost of $1.8 million which was recorded to “Selling, operating and administrative expenses” in the accompanying Condensed Consolidated Statements of Income during the three months ended March 31, 2018, which will be paid over a 39-month period.