Accounts Receivable (Tables)

3 Months Ended

Mar. 31, 2012

Accounts Receivable [Abstract]

Company's Accounts Receivable And Securitized Accounts Receivable

	March 31, 2012			December 31, 2011
Gross domestic accounts receivable	$	82,296		$	84,087
Gross securitized accounts receivable		341,000			280,000
Gross foreign receivables		535,256			413,019
Total gross receivables		958,552			777,106
Less allowance for doubtful accounts		(17,742	)		(15,315	)
Net accounts and securitized accounts receivable	$	940,810		$	761,791

Allowance For Doubtful Accounts Related To Accounts Receivable

	2012			2011
Allowance for doubtful accounts beginning of period	$	15,315		$	14,256
Add:
Provision for bad debts		4,957			3,847
Less:
Write-offs		(2,530	)		(2,916	)
Allowance for doubtful accounts end of period	$	17,742		$	15,187