XML 44 R34.htm IDEA: XBRL DOCUMENT v3.10.0.1
Acquisitions - Pro-forma Information (Details) - Socrata, Inc. - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Business Acquisition [Line Items]        
Revenues $ 238,432 $ 215,209 $ 465,675 $ 421,209
Net income $ 36,196 $ 27,528 $ 68,839 $ 55,480
Basic earnings per share (usd per share) $ 0.94 $ 0.74 $ 1.79 $ 1.49
Diluted earnings per share (usd per share) $ 0.90 $ 0.70 $ 1.71 $ 1.41