Goodwill and Other Intangible Assets - Changes in the Carrying Amount of Goodwill in Total and for Each Reporting Unit (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2015
Goodwill [Roll Forward]
Balance at beginning of period	$ 48,900
Additions	1,955
Disposition of HIM	(4,887)
Balance at end of period	45,968
Balance at end of period	48,900	$ 45,968
Operating Segments | Technology
Goodwill [Roll Forward]
Balance at beginning of period	17,034
Additions	0
Disposition of HIM	0
Balance at end of period	17,034
Balance at end of period	17,034	17,034
Operating Segments | Finance and Accounting
Goodwill [Roll Forward]
Balance at beginning of period	8,006
Additions	0
Disposition of HIM	0
Balance at end of period	8,006
Balance at end of period	8,006	8,006
Operating Segments | Health Information Management
Goodwill [Roll Forward]
Balance at beginning of period	4,887
Additions	0
Disposition of HIM	(4,887)
Balance at end of period	0
Balance at end of period	4,887	0
Operating Segments | Government Solutions
Goodwill [Roll Forward]
Balance at beginning of period	18,973
Additions	1,955
Disposition of HIM	0
Balance at end of period	20,928
Balance at end of period	$ 18,973	$ 20,928