Accounts Receivable (Tables)

6 Months Ended

Jun. 30, 2013

Receivables [Abstract]

Company's Accounts Receivable and Securitized Accounts Receivable

The Company’s accounts receivable and securitized accounts receivable include the following at June 30, 2013 and December 31, 2012 (in thousands):

	June 30, 2013			December 31, 2012
Gross domestic accounts receivable	$	142,452		$	96,964
Gross domestic securitized accounts receivable		402,000			298,000
Gross foreign receivables		505,463			447,940
Total gross receivables		1,049,915			842,904
Less allowance for doubtful accounts		(20,240	)		(19,463	)
Net accounts and securitized accounts receivable	$	1,029,675		$	823,441

Allowance for Doubtful Accounts Related to Accounts Receivable

A rollforward of the Company’s allowance for doubtful accounts related to accounts receivable for six months ended June 30 is as follows (in thousands):

	2013			2012
Allowance for doubtful accounts beginning of period	$	19,463		$	15,315
Add:
Provision for bad debts		9,199			10,953
Less:
Write-offs		(8,422	)		(8,309	)
Allowance for doubtful accounts end of period	$	20,240		$	17,959