|
Share-Based Compensation - Share-Based Payment Award Activity (Parenthetical) (Detail) (USD $)
|
Mar. 28, 2013
|
Dec. 31, 2012
|
|---|---|---|
| Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] | ||
| Intrinsic value represents the excess of the closing stock price related to options outstanding | $ 16.00 | $ 13.59 |
| X | ||||||||||
|
- Definition
The excess of the closing stock price on the last day of the trading period over the exercise price. No definition available.
|
| X | ||||||||||
|
- Details
|