XML 16 R53.htm IDEA: XBRL DOCUMENT v2.4.0.8
Income Taxes (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 29, 2013
Jun. 30, 2012
Jun. 29, 2013
Jun. 30, 2012
Dec. 29, 2012
Income Tax Disclosure [Abstract]          
Effective tax rate 25.00% 30.50% 24.10% 28.70%  
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate     35.00%    
Unrecognized tax benefits $ 4.6   $ 4.6   $ 5.7