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Supplemental balance sheet and cash flow information (goodwill) (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2023 USD ($)
Goodwill [Roll Forward]
Goodwill, gross, beginning of year	$ 2,017,252
Accumulated impairment charges, beginning of year	(585,867)
Goodwill, net of accumulated impairment charges, beginning of year	1,431,385
Currency translation adjustment and other	(797)
Goodwill, gross, end of period	2,016,455
Accumulated impairment charges, end of period	(585,867)
Goodwill, net of accumulated impairment charges, end of period	1,430,588
Reportable business segments [Member] | Payments [Member]
Goodwill [Roll Forward]
Goodwill, gross, beginning of year	896,681
Accumulated impairment charges, beginning of year	0
Goodwill, net of accumulated impairment charges, beginning of year	896,681
Currency translation adjustment and other	(828)
Goodwill, gross, end of period	895,853
Accumulated impairment charges, end of period	0
Goodwill, net of accumulated impairment charges, end of period	895,853
Reportable business segments [Member] | Data Solutions [Member]
Goodwill [Roll Forward]
Goodwill, gross, beginning of year	432,984
Accumulated impairment charges, beginning of year	(392,168)
Goodwill, net of accumulated impairment charges, beginning of year	40,816
Goodwill, gross, end of period	432,984
Accumulated impairment charges, end of period	(392,168)
Goodwill, net of accumulated impairment charges, end of period	40,816
Reportable business segments [Member] | Promotional Solutions [Member]
Goodwill [Roll Forward]
Goodwill, gross, beginning of year	252,775
Accumulated impairment charges, beginning of year	(193,699)
Goodwill, net of accumulated impairment charges, beginning of year	59,076
Currency translation adjustment and other	31
Goodwill, gross, end of period	252,806
Accumulated impairment charges, end of period	(193,699)
Goodwill, net of accumulated impairment charges, end of period	59,107
Reportable business segments [Member] | Checks [Member]
Goodwill [Roll Forward]
Goodwill, gross, beginning of year	434,812
Accumulated impairment charges, beginning of year	0
Goodwill, net of accumulated impairment charges, beginning of year	434,812
Goodwill, gross, end of period	434,812
Accumulated impairment charges, end of period	0
Goodwill, net of accumulated impairment charges, end of period	$ 434,812

X

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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