Revenue Recognition And Accounts Receivable (Narrative) (Details) (USD $)	Mar. 31, 2012	Dec. 31, 2011	Mar. 31, 2012 Receivables Facility [Member]	Feb. 29, 2012 Receivables Facility [Member]
Revenue Recognition And Accounts Receivable [Line Items]
Sales allowances, current	$ 820,300,000	$ 763,000,000
Accrued sales allowances and other adjustments	155,016,000	147,938,000
Maximum borrowing capacity				300,000,000
Short-term borrowings	$ 443,567,000	$ 128,054,000	$ 285,000,000