Non-operating (loss) income

6 Months Ended

Jun. 30, 2021

Non-operating (loss) income, net [Abstract]

Other Income and Other Expense Disclosure

Non-operating (Loss) Income, Net

The following table presents the components of Non-operating income, net:

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
	(In thousands)
Loss on extinguishment of debt	$	(2,149)	$	—	$	(2,149)	$	—
Interest income	111		2,274		327		6,695
Gain on sale of business	—		5,153		—		5,611
Transition services income	—		—		—		2,100
Other, net	(3)		(24)		225		81
Total non-operating (loss) income, net	$	(2,041)	$	7,403	$	(1,597)	$	14,487

The lower interest income during the three and six months ended June 30, 2021 reflects a decline in interest rates on our investments in debt securities. The gain on sale of business in 2020 represents the excess of the contingent consideration received related to the divested security services business compared to the estimated receivable. The transition services income in 2020 relates to the divested security services business. The transition services agreement ended in February 2020.