Equity Compensation Plans (Tables)

9 Months Ended

Sep. 30, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Outstanding and Exercisable Options

The following table is a summary of outstanding and exercisable options as of September 30, 2018:

In thousands except per share amounts	Shares	Weighted- Average Exercise Price		Aggregate Intrinsic Value
Outstanding at September 30, 2018	398	$	35.57	$	4,688
Exercisable at September 30, 2018	188	$	23.18	$	3,944
Unvested at September 30, 2018	210	$	46.64	$	744