Accounts Receivable (Tables)

6 Months Ended

Jun. 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 June 30, 2017 and December 31, 2016 (in thousands):

	June 30, 2017			December 31, 2016
Gross domestic accounts receivable	$	711,681		$	529,885
Gross domestic securitized accounts receivable	741,000			591,000
Gross foreign receivables	765,718			704,630
Total gross receivables	2,218,399			1,825,515
Less allowance for doubtful accounts	(47,836		)	(32,506		)
Net accounts and securitized accounts receivable	$	2,170,563		$	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 six months ended June 30 is as follows (in thousands):

	2017			2016
Allowance for doubtful accounts beginning of period	$	32,506		$	21,903
Provision for bad debts	27,648			13,729
Write-offs	(12,318		)	(10,396		)
Allowance for doubtful accounts end of period	$	47,836		$	25,236