Subsequent Events (Tables)

12 Months Ended

Dec. 31, 2021

Subsequent Events [Abstract]

Disposal Groups, Including Discontinued Operations

The following table summarizes the operating results of the disposal group up to the July 2, 2020 disposal date for the years ended December 31, 2020 and 2019, respectively:

	Years Ended December 31,
	2020		2019
	(In thousands)
Revenues	$	109,195	$	360,496
Cost of sales	(70,199)		(208,173)
Gross profit	38,996		152,323
Selling, general and administrative expenses	(39,947)		(93,796)
Research and development expenses	(15,083)		(37,172)
Amortization of intangibles	—		(12,782)
Asset impairment of discontinued operations	(113,007)		(521,441)
Interest expense, net	(432)		(819)
Non-operating pension cost	(169)		(221)
Loss before taxes	$	(129,642)	$	(513,908)

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

	December 31, 2021		December 31, 2020
	(In thousands)
Assets:
Cash and cash equivalents	$	2,194	$	1,328
Receivables, net	28,773		26,001
Inventories, net	150		126
Other current assets	7,418		9,798
Property, plant and equipment, less accumulated depreciation	6,250		7,588
Operating lease right-of-use assets	3,893		5,151
Goodwill	331,024		462,202
Intangible assets, less accumulated amortization	63,541		67,979
Deferred income taxes	834		800
Other long-lived assets	5,325		2,653
Total assets of Tripwire disposal group	$	449,402	$	583,626
Liabilities:
Accounts payable	$	6,458	$	4,868
Accrued liabilities	56,208		61,769
Deferred income taxes	10,964		12,599
Long-term operating lease liabilities	5,257		7,019
Other long-term liabilities	20,192		17,214
Total liabilities of Tripwire disposal group	$	99,079	$	103,469