Accounts Receivable (Tables)

9 Months Ended

Sep. 30, 2018

Receivables [Abstract]

Company's Accounts Receivable and Securitized Accounts Receivable

The Company’s accounts receivable and securitized accounts receivable include the following at September 30, 2018 and December 31, 2017 (in thousands):

	September 30, 2018			December 31, 2017
Gross domestic accounts receivable	$	951,331		$	661,677
Gross domestic securitized accounts receivable	931,000			811,000
Gross foreign receivables	912,030			804,365
Total gross receivables	2,794,361			2,277,042
Less allowance for doubtful accounts	(52,022		)	(46,031		)
Net accounts and securitized accounts receivable	$	2,742,339		$	2,231,011

Allowance for Doubtful Accounts Related to Accounts Receivable

A rollforward of the Company’s allowance for doubtful accounts related to accounts receivable for the nine month period ended September 30 is as follows (in thousands):

	2018			2017
Allowance for doubtful accounts beginning of period	$	46,031		$	32,506
Provision for bad debts	43,520			35,949
Write-offs	(37,529		)	(20,676		)
Allowance for doubtful accounts end of period	$	52,022		$	47,779