|
Stockholders' Equity - Shares Issued under Share Based Compensation (Detail)
In Thousands, unless otherwise specified |
3 Months Ended | |
|---|---|---|
|
Mar. 31, 2015
|
Mar. 31, 2014
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Stock options exercised | 171 | 8 |
| Total | 281 | 120 |
| RSUs vested | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| RSUs vested | 58 | 76 |
| Shares purchased pursuant to ESPP | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Shares purchased pursuant to ESPP | 52 | 36 |