XML 67 R57.htm IDEA: XBRL DOCUMENT v3.10.0.1
Equity Compensation Plans - Outstanding and Exercisable Options (Details)
$ / shares in Units, shares in Thousands, $ in Thousands
Sep. 30, 2018
USD ($)
$ / shares
shares
Shares  
Outstanding (shares) | shares 398
Exercisable (shares) | shares 188
Unvested (shares) | shares 210
Weighted- Average Exercise Price  
Outstanding (USD per share) | $ / shares $ 35.57
Exercisable (USD per share) | $ / shares 23.18
Unvested (USD per share) | $ / shares $ 46.64
Aggregate Intrinsic Value  
Outstanding | $ $ 4,688
Exercisable | $ 3,944
Unvested | $ $ 744