Accounts Receivable (Tables)

9 Months Ended

Sep. 30, 2017

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, 2017 and December 31, 2016 (in thousands):

	September 30, 2017			December 31, 2016
Gross domestic accounts receivable	$	651,328		$	529,885
Gross domestic securitized accounts receivable	794,000			591,000
Gross foreign receivables	852,706			704,630
Total gross receivables	2,298,034			1,825,515
Less allowance for doubtful accounts	(47,779		)	(32,506		)
Net accounts and securitized accounts receivable	$	2,250,255		$	1,793,009

Allowance for Doubtful Accounts Related to Accounts Receivable

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

	2017			2016
Allowance for doubtful accounts beginning of period	$	32,506		$	21,903
Provision for bad debts	35,949			24,512
Write-offs	(20,676		)	(16,343		)
Allowance for doubtful accounts end of period	$	47,779		$	30,072