Unaudited Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Statement [Abstract]
Revenues, net	$ 901,333	$ 789,241
Expenses:
Processing	204,967	174,194
Selling	81,592	76,889
General and administrative	154,684	143,522
Depreciation and amortization	84,232	76,802
Other operating, net	663	113
Operating income	375,195	317,721
Other expenses:
Investment (gain) loss	(190)	152
Other expense, net	746	869
Interest expense, net	79,795	22,030
Total other expense	80,351	23,051
Income before income taxes	294,844	294,670
Provision for income taxes	80,009	76,718
Net income	$ 214,835	$ 217,952
Basic earnings per share (in dollars per share)	$ 2.92	$ 2.80
Diluted earnings per share (in dollars per share)	$ 2.88	$ 2.75
Weighted average shares outstanding:
Basic (in shares)	73,521	77,737
Diluted (in shares)	74,483	79,286