Revenue Recognition and Accounts Receivable (Narrative) (Details) (USD $)	Jun. 30, 2013	Dec. 31, 2012
Revenue Recognition And Accounts Receivable [Line Items]
Sales allowances, current	$ 939,600,000	$ 977,000,000
Accrued sales allowances and other adjustments	205,571,000	202,891,000
Securitized accounts receivable	555,600,000	556,500,000
Receivables Facility
Revenue Recognition And Accounts Receivable [Line Items]
Accounts receivable securitization facility maximum borrowing capacity	$ 400,000,000