Segment and Geographic Information-Assets (Details) - USD ($)
$ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
Dec. 31, 2012 |
| Segment Reporting, Asset Reconciling Item [Line Items] |
|
|
|
|
| TOTAL ASSETS |
$ 783,406
|
$ 789,319
|
|
|
| Corporate assets: |
|
|
|
|
| Cash and cash equivalents |
76,066
|
52,456
|
$ 75,953
|
$ 71,157
|
| Unallocated allowances on receivables |
(13,133)
|
(10,960)
|
|
|
| Prepaid expenses and other current assets |
26,601
|
29,089
|
|
|
| Property and equipment |
38,052
|
40,859
|
|
|
| Capitalized software costs, net |
79,996
|
75,536
|
|
|
| Other noncurrent assets |
47,333
|
30,634
|
|
|
| Operating segments |
|
|
|
|
| Segment Reporting, Asset Reconciling Item [Line Items] |
|
|
|
|
| TOTAL ASSETS |
591,736
|
591,563
|
$ 608,451
|
|
| Corporate |
|
|
|
|
| Segment Reporting, Asset Reconciling Item [Line Items] |
|
|
|
|
| TOTAL ASSETS |
191,670
|
197,756
|
|
|
| Corporate assets: |
|
|
|
|
| Cash and cash equivalents |
12,944
|
7,550
|
|
|
| Unallocated allowances on receivables |
(4,293)
|
(3,535)
|
|
|
| Prepaid expenses and other current assets |
15,304
|
17,048
|
|
|
| Property and equipment |
6,043
|
7,631
|
|
|
| Capitalized software costs, net |
74,790
|
69,906
|
|
|
| Assets of deferred compensation plan |
15,881
|
15,519
|
|
|
| Capitalized loan costs |
3,991
|
3,707
|
|
|
| Deferred income tax assets |
47,371
|
66,927
|
|
|
| Other noncurrent assets |
$ 19,639
|
$ 13,003
|
|
|