Goodwill and Intangible Assets Schedule of Goodwill (Details) - USD ($) $ in Thousands |
12 Months Ended |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
| Goodwill [Line Items] |
|
|
|
|
| Goodwill |
$ 296,630
|
$ 283,585
|
|
$ 284,466
|
| Accumulated Impairment Losses |
(201,014)
|
(151,700)
|
|
(151,689)
|
| Net Goodwill |
95,616
|
131,885
|
|
132,777
|
| Goodwill of acquired businesses |
19,046
|
1,542
|
|
|
| Impairment of goodwill of business held for sale |
|
(11)
|
|
|
| Other activity (1) |
668
|
1,149
|
[1] |
|
| Foreign currency effects |
(6,669)
|
(3,572)
|
|
|
| Impairment of goodwill |
(49,314)
|
0
|
|
0
|
| U.S. Services |
|
|
|
|
| Goodwill [Line Items] |
|
|
|
|
| Goodwill |
31,829
|
31,829
|
|
31,829
|
| Accumulated Impairment Losses |
(5,465)
|
0
|
|
0
|
| Net Goodwill |
26,364
|
$ 31,829
|
|
31,829
|
| Foreign currency effects |
0
|
|
|
|
| Impairment of goodwill |
(5,465)
|
|
|
|
| International |
|
|
|
|
| Goodwill [Line Items] |
|
|
|
|
| Goodwill |
94,069
|
$ 81,024
|
|
81,905
|
| Accumulated Impairment Losses |
(44,416)
|
(567)
|
|
(556)
|
| Net Goodwill |
49,653
|
80,457
|
|
81,349
|
| Goodwill of acquired businesses |
19,046
|
1,542
|
|
|
| Impairment of goodwill of business held for sale |
|
(11)
|
|
|
| Other activity (1) |
668
|
1,149
|
[1] |
|
| Foreign currency effects |
(6,669)
|
(3,572)
|
|
|
| Impairment of goodwill |
(43,849)
|
|
|
|
| Broadspire |
|
|
|
|
| Goodwill [Line Items] |
|
|
|
|
| Goodwill |
151,133
|
151,133
|
|
151,133
|
| Accumulated Impairment Losses |
(151,133)
|
(151,133)
|
|
(151,133)
|
| Net Goodwill |
0
|
0
|
|
0
|
| Garden City Group |
|
|
|
|
| Goodwill [Line Items] |
|
|
|
|
| Goodwill |
19,599
|
19,599
|
|
19,599
|
| Accumulated Impairment Losses |
0
|
0
|
|
0
|
| Net Goodwill |
19,599
|
$ 19,599
|
|
$ 19,599
|
| Former EMEA/AP segment |
|
|
|
|
| Goodwill [Line Items] |
|
|
|
|
| Impairment of goodwill |
(38,138)
|
|
|
|
| Americas excluding U.S. Contractor Connection reporting unit |
|
|
|
|
| Goodwill [Line Items] |
|
|
|
|
| Impairment of goodwill |
(11,176)
|
|
|
|
| Canada and Latin America |
|
|
|
|
| Goodwill [Line Items] |
|
|
|
|
| Accumulated impairment loss reclassification |
$ 5,711
|
|
|
|
|
|