Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets (Narrative) (Details)

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Intangible Assets (Narrative) (Details) (USD $)
In Millions
 3 Months Ended 9 Months Ended
Oct. 01, 2011
Oct. 01, 2011
Intangible Assets [Abstract]    
Intangible asset amortization expense $ 9.9 $ 29.1
Estimated amortization expense, 2011   41.5
Estimated amortization expense, 2012   47.0
Estimated amortization expense, 2013   45.0
Estimated amortization expense, 2014   43.7
Estimated amortization expense, 2015   $ 42.2