Schedule of Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2021

Intangible Assets, Net (Excluding Goodwill) [Abstract]

Schedule of Finite-Lived Intangible Assets

The gross carrying amount and accumulated amortization (accretion) of our intangible assets and liabilities, other than goodwill, were as follows:

	December 31, 2021						December 31, 2020
In thousands	Gross		Accumulated (Amortization) Accretion		Net		Gross		Accumulated (Amortization) Accretion		Net
Intangible Assets
Core-developed technology	$	505,429	$	(491,047)	$	14,382	$	525,051	$	(498,113)	$	26,938
Customer contracts and relationships	336,421		(261,043)		75,378		383,245		(280,497)		102,748
Trademarks and trade names	74,551		(72,133)		2,418		79,716		(76,912)		2,804
Other	12,021		(11,670)		351		12,025		(11,560)		465
Total intangible assets	$	928,422	$	(835,893)	$	92,529	$	1,000,037	$	(867,082)	$	132,955
Intangible Liabilities
Customer contracts and relationships	$	(23,900)	$	23,441	$	(459)	$	(23,900)	$	21,479	$	(2,421)

Summary Of Intangible Asset Account Activity

A summary of intangible assets and liabilities activity is as follows:

	Year Ended December 31,
In thousands	2021		2020
Intangible assets, gross beginning balance	$	1,000,037	$	979,814
Intangible assets acquired	2,059		—
Intangible assets reclassified to held for sale	(39,089)		—
Intangible assets disposed in sale of business	—		(18,140)
Effect of change in exchange rates	(34,585)		38,363
Intangible assets, gross ending balance	$	928,422	$	1,000,037
Intangible liabilities, gross beginning balance	$	(23,900)	$	(23,900)
Effect of change in exchange rates	—		—
Intangible liabilities, gross ending balance	$	(23,900)	$	(23,900)

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Estimated future annual amortization (accretion) is as follows:

Year Ending December 31,	Amortization		Accretion		Estimated Annual Amortization, net
In thousands
2022	$	26,688	$	(459)	$	26,229
2023	19,285		—		19,285
2024	15,289		—		15,289
2025	14,499		—		14,499
2026	10,432		—		10,432
Thereafter	6,336		—		6,336
Total intangible assets subject to amortization (accretion)	$	92,529	$	(459)	$	92,070

Finite-lived Intangible Assets Amortization Expense

Amortization Expense	Year Ended December 31,
In thousands	2021		2020		2019
Amortization expense	$	35,801	$	44,711	$	64,286