XML 57 R34.htm IDEA: XBRL DOCUMENT v2.4.0.6
Stock-Based Compensation - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 30, 2013
Mar. 31, 2012
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]    
Stock options granted under the 2011 Incentive Plan 52 51
Restricted stock and restricted stock units granted under the 2011 Incentive Plan 962 136
Approximate number of shares available for grant under the 2011 Incentive Plan 9,800  
Stock-based compensation expense $ 7,416 $ 9,446
Income tax benefit related to stock-based compensation expense $ 2,209 $ 3,012
Stock options exercised 754 1,346
Restricted stock and restricted stock units vested 1,878 1,745
Restricted stock issued based on performance-based grants 1,535 1,152