Other Noncurrent Assets (Tables)

6 Months Ended

Jun. 30, 2021

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Schedule of Other Noncurrent Assets

Other noncurrent assets include the following: 

	June 30, 2021		June 30, 2020		December 31, 2020
	(In thousands)
Identifiable intangible assets (net of accumulated amortization of $306.0 million, $267.7 million, and $286.9 million, respectively)	$	500,811	$	524,153	$	518,190
Deferred income taxes	73,744		59,827		72,682