Other Non-Operating Income (Tables)

12 Months Ended

Dec. 31, 2022

Other Nonoperating Income (Expense) [Abstract]

Summary of Other Non-Operating Income

A summary of non-operating income is as follows:

	Year Ended December 31
(in thousands)	2022		2021		2020
Net gain on sale of businesses	$	22,679	$	3,789	$	213,302
Net gain on cost method investments	6,883		11,756		4,209
Gain on sale of cost method investments	3,294		9,355		1,039
Foreign currency loss, net	(2,023)		(179)		(2,153)
Impairment of cost method investments	(1,305)		—		(7,327)
Gain on acquiring a controlling interest in an equity affiliate	—		—		3,708
Gain on sale of investment in affiliates	604		—		1,370
Other, net	3,368		7,833		386
Total Other Non-Operating Income	$	33,500	$	32,554	$	214,534