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Share-Based Compensation-Activity (Details Textuals 1) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jul. 01, 2012
Jan. 01, 2012
Jul. 01, 2012
Employee Stock Option [Member]
Jul. 01, 2012
Restricted Stock Units (RSUs) [Member]
Jul. 01, 2012
Employee Stock Purchase Plan Shares [Member]
Compensation and Benefits          
Employee service, Nonvested awards, Total Compensation Cost not yet Recognized, Period for Recognition     2 years 7 months 3 years 1 month 0 years 1 month
Total unrecognized compensation cost, net of forfeitures, related to awards granted to employees     $ 73.2 $ 96.7  
Total unrecognized compensation expense for ESPP         1.1
Share-based compensation expense capitalized in inventory $ 1.8 $ 1.4