Note 4 — Supplementary Balance Sheet Information

Cash and Cash Equivalents, and Restricted Cash

The Company maintains accounts outside the United States denominated in currencies other than the U.S. dollar. All amounts in domestic accounts are denominated in U.S. dollars. The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported within the consolidated balance sheets that sum to the total of the same such amounts shown in the consolidated statements of cash flows.

Cash, cash equivalents and restricted cash balances are summarized as follows:



(in thousands)	June 30, 2018		December 31, 2017
Cash and cash equivalents in domestic accounts	$	412,568	396,577
Cash and cash equivalents in foreign accounts		47,451	53,780
Total cash and cash equivalents		460,019	450,357
Restricted cash included in other assets		1,021	1,013
Total cash, cash equivalents and restricted cash shown in the statement of cash flows	$	461,040	451,370

Restricted cash included in other assets in the consolidated balance sheets represents immaterial amounts required across the Company’s segments for operational purposes.

Prepaid Expenses and Other Current Assets

Significant components of prepaid expenses and other current assets are summarized as follows:



(in thousands)	June 30, 2018		December 31, 2017
Prepaid expenses	$	59,275	65,159
Income taxes receivable		29,834	41,400
R&D state tax credit		22,642	22,642
Supplies inventory		19,261	17,072
Other		71,033	70,292
Total	$	202,045	216,565

Contract Cost Assets, Net

Significant components of contract cost assets, net of accumulated amortization, are summarized as follows:



(in thousands)	June 30, 2018		December 31, 2017
Contract cost assets1, net of accumulated amortization of $173.4 million and $176.4 million as of 2018 and 2017, respectively	$	147,512	139,249
Payments for processing rights2, net of accumulated amortization of $166.3 million as of 2017		-	119,416
Total	$	147,512	258,665

Amortization expense related to contract cost assets is as follows:



	Three months ended			Six months ended
	June 30,			June 30,
(in thousands)	2018		2017	2018		2017
Amortization expense related to:
Contract cost assets1	$	8,511	7,157		19,238	15,330
Payments for processing rights2		-	5,110		-	10,329

Upon the Company’s adoption of ASC 606, costs to obtain or fulfill a contract are classified as contract cost assets. As of June 30, 2018, contract cost assets primarily relate to conversion costs. Costs to obtain a contract that qualify for capitalization are immaterial. See further discussion in Note 2. Prior to the Company’s adoption of ASC 606, contract cost assets were referred to as contract acquisition costs and included both conversion costs and payments for processing rights (signing incentives).

Upon the Company’s adoption of ASC 606, payments for processing rights (signing incentives) are classified as contract assets in the Company’s consolidated balance sheets. See further discussion in Note 2. Prior to the Company’s adoption of ASC 606, contract cost assets were referred to as contract acquisition costs and included both conversion costs and payments for processing rights.

Other Current Liabilities

Significant components of other current liabilities are summarized as follows:



(in thousands)	June 30, 2018		December 31, 2017
Accrued card brand fees	$	47,443	43,814
Accrued third-party commissions		43,221	34,276
Accrued expenses		30,688	34,260
Accrued interest		24,749	19,330
Dividends payable		24,565	24,886
Other		88,171	69,356
Total	$	258,837	225,922

Accumulated Other Comprehensive Loss (AOCL)

The income tax effects allocated to and the cumulative balance of accumulated other comprehensive income (AOCI) (loss) attributable to TSYS shareholders are as follows:


(in thousands)	Foreign currency translation adjustments and transfers from noncontrolling interests		Gain on available-for-sale securities		Change in postretirement healthcare plans		Total accumulated other comprehensive loss, net of tax
Balance as of December 31, 2017	$	(43,464)		8,446		(1,130)	$	(36,148)
Pretax amount		(9,651)		950		(463)		(9,164)
Tax effect		(394)		209		(105)		(290)
Net-of-tax amount		(9,257)		741		(358)		(8,874)
Balance as of June 30, 2018	$	(52,721)		9,187		(1,488)	$	(45,022)

There were no reclassifications of AOCL to net income or to other accounts for the six months ended June 30, 2018.