XML 54 R44.htm IDEA: XBRL DOCUMENT v2.4.0.8
Stock-Based Compensation (Additional Information) (Details) (USD $)
In Millions, except Share data, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 07, 2013
Sep. 08, 2012
Sep. 07, 2013
Sep. 08, 2012
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]        
Stock-based compensation expense $ 7.4 $ 3.1 $ 21.1 $ 11.0
Income tax benefits for grants $ 2.6 $ 1.0 $ 7.1 $ 3.6
Weighted-average fair values for options granted (dollars per share)     $ 5.22 $ 5.36
Common stock issued in connection with the exercise of stock options and restricted stock grants (shares) 237,526 709,734 2,142,090 2,385,500
Common stock cancelled as result of forfeiture of restricted stock awards (shares) 59,748 41,474 171,388 72,692