Schedule of Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2022

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


	December 31, 2022						December 31, 2021
In thousands	Gross		Accumulated (Amortization) Accretion		Net		Gross		Accumulated (Amortization) Accretion		Net
Intangible Assets
Core-developed technology	$	498,601	$	(492,782)	$	5,819	$	505,429	$	(491,047)	$	14,382
Customer contracts and relationships	322,360		(265,503)		56,857		336,421		(261,043)		75,378
Trademarks and trade names	72,156		(70,101)		2,055		74,551		(72,133)		2,418
Other	12,017		(11,807)		210		12,021		(11,670)		351


Total intangible assets	$	905,134	$	(840,193)	$	64,941	$	928,422	$	(835,893)	$	92,529

Intangible Liabilities
Customer contracts and relationships	$	(23,900)	$	23,900	$	—	$	(23,900)	$	23,441	$	(459)

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


	Year Ended December 31,
In thousands	2022		2021
Intangible assets, gross beginning balance	$	928,422	$	1,000,037
Intangible assets acquired	—		2,059
Intangible assets reclassified to held for sale	—		(39,089)

Effect of change in exchange rates	(23,288)		(34,585)
Intangible assets, gross ending balance	$	905,134	$	928,422

Intangible liabilities, gross beginning balance	$	(23,900)	$	(23,900)

Effect of change in exchange rates	—		—
Intangible liabilities, gross ending balance	$	(23,900)	$	(23,900)

Estimated future annual amortization is as follows:


Year Ending December 31,	Estimated Annual Amortization
In thousands
2023	$	18,960
2024	15,027
2025	14,297
2026	10,300
2027	5,630
Thereafter	727
Total intangible assets subject to amortization	$	64,941