Receivables (Tables)

12 Months Ended

Dec. 31, 2013

Receivables [Abstract]

Net Components Of Receivables

	December 31, 2013		December 31, 2012
Customers, trade	$	1,076,824	691,553
Income tax receivable	7,590		—
Other	55,498		25,793
	1,139,912		717,346
Less allowance for discounts, returns, claims and doubtful accounts	77,037		37,873
Receivables, net	$	1,062,875	679,473

Allowances For Discounts, Returns, Claims And Doubtful Accounts

The following table reflects the activity of allowances for discounts, returns, claims and doubtful accounts for the years ended December 31:

	Balance at beginning of year		Acquisitions	Additions charged to costs and expenses	Deductions(1)	Balance at end of year
2011	$	45,755	—	161,073	163,123	43,705
2012	43,705		—	180,616	186,448	37,873
2013	37,873		36,992	197,973	195,801	77,037

(1) Represents charge-offs, net of recoveries.