Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2018

Accounting Policies [Abstract]

Company's Accounts Receivable and Securitized Accounts Receivable

The Company’s accounts receivable and securitized accounts receivable include the following at December 31 (in thousands):

	2018			2017
Gross domestic unsecuritized accounts receivables	$	668,154		$	661,677
Gross domestic securitized accounts receivable	886,000			811,000
Gross foreign receivables	817,624			804,365
Total gross receivables	2,371,778			2,277,042
Less allowance for doubtful accounts	(59,963		)	(46,031		)
Net accounts and securitized accounts receivable	$	2,311,815		$	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 years ended December 31 is as follows (in thousands):

	2018			2017			2016
Allowance for doubtful accounts beginning of year	$	46,031		$	32,506		$	21,903
Provision for bad debts	64,377			44,857			35,885
Write-offs	(50,445		)	(31,332		)	(25,282		)
Allowance for doubtful accounts end of year	$	59,963		$	46,031		$	32,506

Schedule of New Accounting Pronouncements and Changes in Accounting Principles

The impact to the Company's revenue, operating expenses, income from continuing operations after taxes, net income and basic and diluted earnings per share (EPS) for the year ended December 31, 2018 was as follows:

	For the Year Ended December 31
	2018 As Reported			Impact of ASC 606			2018 Prior to Adoption
Revenues, net	$	2,433,492		$	111,957		$	2,545,449
Expenses:
Merchant commissions	—			126,849			126,849
Processing	487,695			(12,963		)	474,732
Selling	182,593			5,319			187,912
General and administrative	389,172			—			389,172
Depreciation and amortization	274,609			—			274,609
Other operating, net	8,725			—			8,725
Operating income	1,090,698			(7,248		)	1,083,450
Total other income	(4,427		)	—			(4,427		)
Income before income taxes	1,095,125			(7,248		)	1,087,877
Provision for income taxes	283,642			(2,043		)	281,599
Net income	$	811,483		$	(5,205	)	$	806,278
Basic earnings per share	$	9.14					$	9.08
Diluted earnings per share	$	8.81					$	8.75