XML 58 R41.htm IDEA: XBRL DOCUMENT v2.4.0.6
Income Taxes (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 25, 2012
Income Tax Disclosure [Abstract]    
Income tax expense $ 2,967 $ 1,401
Effective tax rate, continuing operations 50.70% 13.90%