Goodwill and Intangible Assets - Carrying Amount of Goodwill by Reportable Operating Segment (Detail) $ in Thousands |
9 Months Ended |
|
Sep. 30, 2016
USD ($)
|
| Goodwill [Line Items] |
|
| Goodwill, Acquired During Period |
$ 10,147
|
| Goodwill, Other Increase (Decrease) |
10,869
|
| Goodwill [Roll Forward] |
|
| Goodwill, Beginning Balance |
149,219
|
| Foreign exchange translation |
559
|
| Goodwill, Ending Balance |
170,794
|
| North America [Member] |
|
| Goodwill [Line Items] |
|
| Goodwill, Acquired During Period |
7,175
|
| Goodwill, Other Increase (Decrease) |
0
|
| Goodwill [Roll Forward] |
|
| Goodwill, Beginning Balance |
114,109
|
| Foreign exchange translation |
790
|
| Goodwill, Ending Balance |
122,074
|
| Europe [Member] |
|
| Goodwill [Line Items] |
|
| Goodwill, Acquired During Period |
0
|
| Goodwill, Other Increase (Decrease) |
0
|
| Goodwill [Roll Forward] |
|
| Goodwill, Beginning Balance |
11,056
|
| Foreign exchange translation |
384
|
| Goodwill, Ending Balance |
11,440
|
| Asia Pacific [Member] |
|
| Goodwill [Line Items] |
|
| Goodwill, Acquired During Period |
2,972
|
| Goodwill, Other Increase (Decrease) |
10,869
|
| Goodwill [Roll Forward] |
|
| Goodwill, Beginning Balance |
24,054
|
| Foreign exchange translation |
(615)
|
| Goodwill, Ending Balance |
$ 37,280
|