Revenue Recognition And Accounts Receivable (Narrative) (Details) (USD $)	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2012 Securitized Accounts Receivable	Jul. 20, 2012 Receivables Facility [Member]	Jun. 30, 2012 Receivables Facility [Member]	Feb. 29, 2012 Receivables Facility [Member]
Revenue Recognition And Accounts Receivable [Line Items]
Sales allowances, current	$ 928,800,000	$ 763,000,000
Accrued sales allowances and other adjustments	160,042,000	147,938,000
Maximum borrowing capacity					300,000,000	300,000,000
Increased borrowing capacity				400,000,000
Short-term borrowings	406,130,000	128,054,000			300,000,000
Securitized accounts receivable			$ 688,700,000