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- Schedule of Finite-Lived and Indefinite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Accumulated Amortization	$ (466,003)	$ (421,238)
Gross Carrying Amount, Trade names (unamortized)	258,640	251,440
Accumulated Impairment Charge, Trade names (unamortized)	(58,933)	(52,233)
Total, Trade Names (unamortized)	199,707	199,207
Gross Carrying Amount, Total	1,126,449	1,089,749
Accumulated Impairment Charge, Total	(63,767)	(57,067)
Total	596,679	611,444
Contract backlog
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	72,045	66,745
Accumulated Amortization	(67,199)	(61,651)
Accumulated Impairment Charge	0	0
Total	4,846	5,094
Developed technology/Vendor network
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	95,661	95,661
Accumulated Amortization	(63,784)	(60,156)
Accumulated Impairment Charge	0	0
Total	31,877	35,505
Customer relationships
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	668,755	644,755
Accumulated Amortization	(312,437)	(277,601)
Accumulated Impairment Charge	(4,834)	(4,834)
Total	351,484	362,320
Trade names (amortized)
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	31,348	31,148
Accumulated Amortization	(22,583)	(21,830)
Accumulated Impairment Charge	0	0
Total	$ 8,765	$ 9,318

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Finite-Lived and Indefinite-Lived Intangible Assets

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Carrying amount of trade names before accumulated impairment charge as of the balance sheet date.

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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-Name Accounting Standards Codification
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Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the rights acquired through registration of a trade name to gain or protect exclusive use thereof for a projected indefinite period of benefit.

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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