Revenue from Contract with Customer (Tables)

12 Months Ended

Dec. 31, 2021

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue [Table Text Block]

Disaggregation of Revenue

The following table presents revenues disaggregated by our business models:

	For the Years Ended
	2021						2020						2019
(In thousands)	Domestic Segment		International Segment		Total		Domestic Segment		International Segment		Total		Domestic Segment		International Segment		Total
Licensed software	$	671,926	$	53,730	$	725,656	$	604,707	$	51,512	$	656,219	$	628,958	$	51,627	$	680,585
Technology resale	163,280		21,392		184,672		173,264		23,327		196,591		225,076		21,809		246,885
Subscriptions	365,936		16,922		382,858		354,023		24,185		378,208		333,298		25,417		358,715
Professional services	1,817,213		299,278		2,116,491		1,717,873		212,572		1,930,445		1,760,532		231,946		1,992,478
Managed services	1,143,188		145,265		1,288,453		1,120,939		124,488		1,245,427		1,098,695		115,205		1,213,900
Support and maintenance	849,428		183,479		1,032,907		881,778		189,001		1,070,779		904,204		200,434		1,104,638
Reimbursed travel	33,658		129		33,787		27,185		934		28,119		87,364		8,033		95,397
Total revenues	$	5,044,629	$	720,195	$	5,764,824	$	4,879,769	$	626,019	$	5,505,788	$	5,038,127	$	654,471	$	5,692,598

The following table presents our revenues disaggregated by timing of revenue recognition:

	For the Years Ended
	2021						2020						2019
(In thousands)	Domestic Segment		International Segment		Total		Domestic Segment		International Segment		Total		Domestic Segment		International Segment		Total
Revenue recognized over time	$	4,736,395	$	680,557	$	5,416,952	$	4,557,358	$	585,316	$	5,142,674	$	4,565,172	$	600,953	$	5,166,125
Revenue recognized at a point in time	308,234		39,638		347,872		322,411		40,703		363,114		472,955		53,518		526,473
Total revenues	$	5,044,629	$	720,195	$	5,764,824	$	4,879,769	$	626,019	$	5,505,788	$	5,038,127	$	654,471	$	5,692,598