Equity Compensation Plans (Tables)

3 Months Ended

Mar. 31, 2016

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

Summary Of Outstanding And Exercisable Options

The following table is a summary of outstanding and exercisable options as of March 31, 2016:

In thousands except per share amounts and years	Shares	Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term (years)	Aggregate Intrinsic Value
Outstanding at March 31, 2016	447	$	20.73	7.1	$	5,654
Exercisable at March 31, 2016	223	$	12.27	5.3	$	4,510
Unvested at March 31, 2016	224	$	29.15	8.9	$	1,144