|
Stock Option Outstanding (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified |
12 Months Ended |
|---|---|
|
Dec. 31, 2013
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Stock Options | 983 |
| Weighted-Average Remaining Life (years) | 1 month 6 days |
| Weighted-Average Exercise Price | $ 34.35 |
|
Exercise Price Range 30.00-39.99
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Range of Exercise Prices, low | $ 30.00 |
| Range of Exercise Prices, high | $ 39.99 |
| Stock Options | 969 |
| Weighted-Average Remaining Life (years) | 1 month 6 days |
| Weighted-Average Exercise Price | $ 34.18 |
|
Exercise Price Range 40.00-49.99
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Range of Exercise Prices, low | $ 40.00 |
| Range of Exercise Prices, high | $ 49.99 |
| Stock Options | 14 |
| Weighted-Average Remaining Life (years) | 1 month 6 days |
| Weighted-Average Exercise Price | $ 46.31 |