Goodwill and Other Intangible Assets (Notes)

3 Months Ended

Mar. 31, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Other Intangible Assets [Text Block]

Goodwill and Other Intangible Assets

The change in the carrying amount of goodwill during the year ended December 31, 2021 and three months ended March 31, 2022 are as follows (in thousands):

	Goodwill Balance
Goodwill at December 31, 2020	$	1,237,894
Acquisitions	260,863
Acquisition fair value adjustment	231
Goodwill at December 31, 2021	1,498,988
Acquisition fair value adjustment	10,271
Goodwill at March 31, 2022	$	1,509,259

Other intangible assets consisted of the following (in thousands):

	March 31, 2022						December 31, 2021
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Other intangible assets:
Contract and program intangible assets	$	512,032	$	269,051	$	242,981	$	517,932	$	262,105	$	255,827
Capitalized software	57,915		48,552		9,363		56,938		47,210		9,728
Total other intangible assets—net	$	569,947	$	317,603	$	252,344	$	574,870	$	309,315	$	265,555

Amortization expense relating to intangible assets for the three months ended March 31, 2022 and 2021 was $8.3 million and $6.8 million, respectively. Amortization expense for the three months ended March 31, 2021 includes an impairment of $0.3 million for capitalized software. We estimate that we will have the following amortization expense for the future periods indicated below (in thousands):

For the remaining nine months ending December 31, 2022	$	23,985
For the year ending:
December 31, 2023	$	25,548
December 31, 2024	$	23,182
December 31, 2025	$	20,549
December 31, 2026	$	19,340
December 31, 2027	$	18,312