CONDENSED CONSOLIDATED BALANCE SHEETS - UNAUDITED - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 110,435	$ 186,264
Settlement and merchant reserve assets	232,054	274,699
Trade accounts receivable:
Billed, net of allowance of $4,720 and $5,432	266,214	267,680
Unbilled	84,570	82,163
Income taxes receivable	10,028	1,345
Other current assets	55,740	50,075
Total current assets	759,041	862,226
Non-current assets:
Property and equipment, net of depreciation of $131,573 and $121,816	59,111	65,545
Operating lease right-of-use assets	28,656	34,283
Intangible Assets	68,226	50,103
Goodwill	317,129	308,596
Customer contract costs, net of amortization of $44,140 and $42,094	57,128	54,421
Deferred income taxes	54,934	57,855
Other assets	9,063	10,017
Total non-current assets	594,247	580,820
Total assets	1,353,288	1,443,046
Current liabilities:
Current portion of long-term debt	7,500	7,500
Operating lease liabilities	14,841	15,946
Customer deposits	35,993	41,035
Trade accounts payable	52,862	46,406
Accrued employee compensation	49,765	84,380
Settlement and merchant reserve liabilities	229,636	273,817
Deferred revenue	56,145	54,199
Income taxes payable	645	4,104
Other current liabilities	29,057	33,449
Total current liabilities	476,444	560,836
Non-current liabilities:
Long-term debt, net of unamortized discounts of $13,893 and $15,628	532,982	534,997
Operating lease liabilities	27,722	34,360
Deferred revenue	22,375	23,447
Income taxes payable	3,241	3,041
Deferred income taxes	122	123
Other non-current liabilities	17,073	12,916
Total non-current liabilities	603,515	608,884
Total liabilities	1,079,959	1,169,720
Stockholders' equity:
Preferred stock, par value $.01 per share; 10,000 shares authorized; zero shares issued and outstanding	0	0
Common stock, par value $.01 per share; 100,000 shares authorized; 29,591 and 29,541 shares outstanding	717	713
Additional paid-in capital	499,995	490,947
Treasury stock, at cost; 40,802 and 40,398 shares	(1,155,542)	(1,136,055)
Accumulated other comprehensive income (loss):
Unrealized gain on short-term investments, net of tax	0	1
Cumulative foreign currency translation adjustments	(55,629)	(50,414)
Accumulated earnings	983,788	968,134
Total stockholders' equity	273,329	273,326
Total liabilities and stockholders' equity	1,353,288	1,443,046
Software
Non-current assets:
Intangible Assets	21,408	14,224
Acquired customer contracts
Non-current assets:
Intangible Assets	$ 46,818	$ 35,879