Disposals (Tables)

12 Months Ended

Dec. 31, 2022

Discontinued Operations and Disposal Groups [Abstract]

Schedule of Disposal Groups, Including Discontinued Operations

The following table summarizes the operating results of the Tripwire disposal group up to the February 22, 2022 disposal date:

	Years Ended December 31,
	2022		2021		2020
	(In thousands)
Revenues	$	12,067	$	106,840	$	110,524
Cost of sales	(3,256)		(24,321)		(22,857)
Gross profit	8,811		82,519		87,667
Selling, general and administrative expenses	(8,185)		(48,308)		(42,741)
Research and development expenses	(5,528)		(34,433)		(34,276)
Amortization of intangible assets	(638)		(7,716)		(35,354)
Asset impairments	—		(131,178)		—
Loss before taxes	$	(5,540)	$	(139,116)	$	(24,704)

The following table provides the major classes of assets and liabilities of the Tripwire disposal group:

	December 31,
	2021
	(In thousands)
Assets:
Cash and cash equivalents	$	2,194
Receivables, net	28,773
Inventories, net	150
Other current assets	7,418
Property, plant and equipment, less accumulated depreciation	6,250
Operating lease right-of-use assets	3,893
Goodwill	331,024
Intangible assets, less accumulated amortization	63,541
Deferred income taxes	584
Other long-lived assets	5,325
Total assets of Tripwire disposal group	$	449,152
Liabilities:
Accounts payable	$	6,458
Accrued liabilities	56,208
Deferred income taxes	8,878
Long-term operating lease liabilities	5,257
Other long-term liabilities	20,192
Total liabilities of Tripwire disposal group	$	96,993

The following table summarizes the operating results of the disposal group up to the July 2, 2020 disposal date for the year ended December 31, 2020:

	Year Ended December 31,
	2020
	(In thousands)
Revenues	$	109,195
Cost of sales	(70,199)
Gross profit	38,996
Selling, general and administrative expenses	(39,947)
Research and development expenses	(15,083)
Asset impairment of discontinued operations	(113,007)
Interest expense, net	(432)
Non-operating pension cost	(169)
Loss before taxes	$	(129,642)