Annual report pursuant to Section 13 and 15(d)

Accounts Receivable (Narrative) (Details)

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Accounts Receivable (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Jan. 01, 2011
Jan. 02, 2010
Accounts Receivable [Abstract]      
Maximum amount of accounts receivable sold at any point in time $ 237.5    
Decrease in receivables related to balances sold 115.4 112.3  
Sale of accounts receivable 1,187.7 1,062.8  
Funding fee $ 2.0 $ 1.8 $ 0.4