Business Combinations - Summary of Preliminary Values Allocated to Identifiable Intangible Assets and Estimated Useful Lives (Details) - USD ($)										12 Months Ended
	Dec. 29, 2021	Jun. 22, 2021	Jun. 15, 2021	Nov. 02, 2020	Jul. 23, 2020	Feb. 10, 2020	Oct. 14, 2019	Aug. 13, 2019	Jul. 11, 2019	Dec. 31, 2021
Hawk Parent Holdings LLC
Business Acquisition [Line Items]
Identifiable intangible assets, fair value									$ 301,000,000
Hawk Parent Holdings LLC | Trade Names
Business Acquisition [Line Items]
Identifiable intangible assets, useful life, description										Indefinite
Identifiable intangible assets, fair value									$ 20,000,000.0
Hawk Parent Holdings LLC | Non-Complete Agreements
Business Acquisition [Line Items]
Identifiable intangible assets, useful life									2 years
Identifiable intangible assets, fair value									$ 3,000,000.0
Hawk Parent Holdings LLC | Developed Technology
Business Acquisition [Line Items]
Identifiable intangible assets, useful life									3 years
Identifiable intangible assets, fair value									$ 65,000,000.0
Hawk Parent Holdings LLC | Merchant Relationships
Business Acquisition [Line Items]
Identifiable intangible assets, useful life									10 years
Identifiable intangible assets, fair value									$ 210,000,000.0
Hawk Parent Holdings LLC | Channel Relationships
Business Acquisition [Line Items]
Identifiable intangible assets, useful life									10 years
Identifiable intangible assets, fair value									$ 3,000,000.0
TriSource
Business Acquisition [Line Items]
Identifiable intangible assets, fair value								$ 30,500,000
TriSource | Trade Names
Business Acquisition [Line Items]
Identifiable intangible assets, useful life, description										Indefinite
Identifiable intangible assets, fair value								$ 700,000
TriSource | Non-Complete Agreements
Business Acquisition [Line Items]
Identifiable intangible assets, useful life								5 years
Identifiable intangible assets, fair value								$ 400,000
TriSource | Developed Technology
Business Acquisition [Line Items]
Identifiable intangible assets, useful life								3 years
Identifiable intangible assets, fair value								$ 3,900,000
TriSource | Merchant Relationships
Business Acquisition [Line Items]
Identifiable intangible assets, useful life								10 years
Identifiable intangible assets, fair value								$ 25,500,000
APS
Business Acquisition [Line Items]
Identifiable intangible assets, fair value							$ 21,500,000
APS | Trade Names
Business Acquisition [Line Items]
Identifiable intangible assets, useful life, description										Indefinite
Identifiable intangible assets, fair value							$ 500,000
APS | Non-Complete Agreements
Business Acquisition [Line Items]
Identifiable intangible assets, useful life							5 years
Identifiable intangible assets, fair value							$ 500,000
APS | Merchant Relationships
Business Acquisition [Line Items]
Identifiable intangible assets, useful life							9 years
Identifiable intangible assets, fair value							$ 20,500,000
Ventanex
Business Acquisition [Line Items]
Identifiable intangible assets, fair value						$ 26,890,000
Ventanex | Trade Names
Business Acquisition [Line Items]
Identifiable intangible assets, useful life, description										Indefinite
Identifiable intangible assets, fair value						$ 400,000
Ventanex | Non-Complete Agreements
Business Acquisition [Line Items]
Identifiable intangible assets, useful life						5 years
Identifiable intangible assets, fair value						$ 100,000
Ventanex | Developed Technology
Business Acquisition [Line Items]
Identifiable intangible assets, useful life						3 years
Identifiable intangible assets, fair value						$ 4,100,000
Ventanex | Merchant Relationships
Business Acquisition [Line Items]
Identifiable intangible assets, useful life						10 years
Identifiable intangible assets, fair value						$ 22,300,000
cPayPlus
Business Acquisition [Line Items]
Identifiable intangible assets, fair value					$ 7,720,000
cPayPlus | Trade Names
Business Acquisition [Line Items]
Identifiable intangible assets, useful life, description										Indefinite
Identifiable intangible assets, fair value					$ 100,000
cPayPlus | Non-Complete Agreements
Business Acquisition [Line Items]
Identifiable intangible assets, useful life					5 years
Identifiable intangible assets, fair value					$ 100,000
cPayPlus | Developed Technology
Business Acquisition [Line Items]
Identifiable intangible assets, useful life					3 years
Identifiable intangible assets, fair value					$ 6,700,000
cPayPlus | Merchant Relationships
Business Acquisition [Line Items]
Identifiable intangible assets, useful life					10 years
Identifiable intangible assets, fair value					$ 800,000
MPI
Business Acquisition [Line Items]
Identifiable intangible assets, fair value				$ 7,110,000
MPI | Trade Names
Business Acquisition [Line Items]
Identifiable intangible assets, useful life, description										Indefinite
Identifiable intangible assets, fair value				$ 100,000
MPI | Non-Complete Agreements
Business Acquisition [Line Items]
Identifiable intangible assets, useful life				4 years
Identifiable intangible assets, fair value				$ 100,000
MPI | Developed Technology
Business Acquisition [Line Items]
Identifiable intangible assets, useful life				3 years
Identifiable intangible assets, fair value				$ 700,000
MPI | Merchant Relationships
Business Acquisition [Line Items]
Identifiable intangible assets, useful life				10 years
Identifiable intangible assets, fair value				$ 6,300,000
CPS Payment Services
Business Acquisition [Line Items]
Identifiable intangible assets, fair value				30,830,000
CPS Payment Services | Trade Names
Business Acquisition [Line Items]
Identifiable intangible assets, useful life, description										Indefinite
Identifiable intangible assets, fair value				$ 500,000
CPS Payment Services | Non-Complete Agreements
Business Acquisition [Line Items]
Identifiable intangible assets, useful life				4 years
Identifiable intangible assets, fair value				$ 100,000
CPS Payment Services | Developed Technology
Business Acquisition [Line Items]
Identifiable intangible assets, useful life				3 years
Identifiable intangible assets, fair value				$ 7,200,000
CPS Payment Services | Merchant Relationships
Business Acquisition [Line Items]
Identifiable intangible assets, useful life				10 years
Identifiable intangible assets, fair value				$ 23,000,000.0
Billing Tree
Business Acquisition [Line Items]
Identifiable intangible assets, fair value			$ 236,810,000
Billing Tree | Trade Names
Business Acquisition [Line Items]
Identifiable intangible assets, useful life, description										Indefinite
Identifiable intangible assets, fair value			$ 7,800,000
Billing Tree | Non-Complete Agreements
Business Acquisition [Line Items]
Identifiable intangible assets, useful life			2 years
Identifiable intangible assets, fair value			$ 300,000
Billing Tree | Developed Technology
Business Acquisition [Line Items]
Identifiable intangible assets, useful life			3 years
Identifiable intangible assets, fair value			$ 26,200,000
Billing Tree | Merchant Relationships
Business Acquisition [Line Items]
Identifiable intangible assets, useful life			10 years
Identifiable intangible assets, fair value			$ 202,500,000
Kontrol
Business Acquisition [Line Items]
Identifiable intangible assets, fair value		$ 6,940,000
Kontrol | Trade Names
Business Acquisition [Line Items]
Identifiable intangible assets, useful life, description										Indefinite
Identifiable intangible assets, fair value		$ 0.0
Kontrol | Merchant Relationships
Business Acquisition [Line Items]
Identifiable intangible assets, useful life		8 years
Identifiable intangible assets, fair value		$ 6,900,000
Payix
Business Acquisition [Line Items]
Identifiable intangible assets, fair value	$ 33,150,000
Payix | Trade Names
Business Acquisition [Line Items]
Identifiable intangible assets, useful life, description										Indefinite
Identifiable intangible assets, fair value	$ 300,000
Payix | Developed Technology
Business Acquisition [Line Items]
Identifiable intangible assets, useful life	3 years
Identifiable intangible assets, fair value	$ 12,400,000
Payix | Merchant Relationships
Business Acquisition [Line Items]
Identifiable intangible assets, useful life	10 years
Identifiable intangible assets, fair value	$ 20,500,000