Software Development Costs Schedule of Software Development Costs, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 28, 2019
Schedule of Software Development Costs [Line Items]
Capitalized Computer Software, Gross	$ 2,995,644	$ 2,684,261
Capitalized Computer Software, Accumulated Amortization	1,986,295	1,744,402
Capitalized Computer Software, Net	1,009,349	939,859
Software to sold, leased or marketed [Member]
Schedule of Software Development Costs [Line Items]
Capitalized Computer Software, Gross	2,610,476	2,379,028
Capitalized Computer Software, Accumulated Amortization	1,788,019	1,586,134
Software delivered exclusively as a service [Member]
Schedule of Software Development Costs [Line Items]
Capitalized Computer Software, Gross	385,168	305,233
Capitalized Computer Software, Accumulated Amortization	$ 198,276	$ 158,268

[Line Items] for Schedule of Software Development Costs [Table]

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- Definition

For each balance sheet presented, the amount of accumulated amortization for capitalized computer software costs.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 985
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756

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- Definition

Amount before accumulated amortization of capitalized costs for computer software, including but not limited to, acquired and internally developed computer software.

+ References

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- Definition

The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 985
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756

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