|
Goodwill and Other Intangible Assets - Amortized Finite-Lived Intangible Assets (Detail) (USD $)
In Thousands, unless otherwise specified
|
3 Months Ended |
|
|
Mar. 31, 2015
|
Dec. 31, 2014
|
| Finite-Lived Intangible Assets [Line Items] |
|
|
| Gross Carrying Amount |
$ 105,274 |
$ 111,489 |
| Accumulated Amortization |
(47,549) |
(48,062) |
| Net Carrying Amount |
57,725 |
63,427 |
| Trade names and trademarks [Member] |
|
|
| Finite-Lived Intangible Assets [Line Items] |
|
|
| Finite-lived intangible asset useful life |
10 years |
|
| Gross Carrying Amount |
28,631 |
30,316 |
| Accumulated Amortization |
(8,236) |
(8,396) |
| Net Carrying Amount |
20,395 |
21,920 |
| Developed technology [Member] |
|
|
| Finite-Lived Intangible Assets [Line Items] |
|
|
| Gross Carrying Amount |
20,189 |
21,293 |
| Accumulated Amortization |
(13,091) |
(13,231) |
| Net Carrying Amount |
7,098 |
8,062 |
| Developed technology [Member] | Minimum [Member] |
|
|
| Finite-Lived Intangible Assets [Line Items] |
|
|
| Finite-lived intangible asset useful life |
2 years |
|
| Developed technology [Member] | Maximum [Member] |
|
|
| Finite-Lived Intangible Assets [Line Items] |
|
|
| Finite-lived intangible asset useful life |
8 years |
|
| Customer relationships [Member] |
|
|
| Finite-Lived Intangible Assets [Line Items] |
|
|
| Gross Carrying Amount |
54,347 |
57,656 |
| Accumulated Amortization |
(25,185) |
(25,512) |
| Net Carrying Amount |
29,162 |
32,144 |
| Customer relationships [Member] | Minimum [Member] |
|
|
| Finite-Lived Intangible Assets [Line Items] |
|
|
| Finite-lived intangible asset useful life |
6 years |
|
| Customer relationships [Member] | Maximum [Member] |
|
|
| Finite-Lived Intangible Assets [Line Items] |
|
|
| Finite-lived intangible asset useful life |
14 years |
|
| Noncompete agreements and domain names [Member] |
|
|
| Finite-Lived Intangible Assets [Line Items] |
|
|
| Gross Carrying Amount |
2,107 |
2,224 |
| Accumulated Amortization |
(1,037) |
(923) |
| Net Carrying Amount |
$ 1,070 |
$ 1,301 |
| Noncompete agreements and domain names [Member] | Minimum [Member] |
|
|
| Finite-Lived Intangible Assets [Line Items] |
|
|
| Finite-lived intangible asset useful life |
2 years |
|
| Noncompete agreements and domain names [Member] | Maximum [Member] |
|
|
| Finite-Lived Intangible Assets [Line Items] |
|
|
| Finite-lived intangible asset useful life |
5 years |
|