XML 45 R35.htm IDEA: XBRL DOCUMENT v3.21.1
Other Noncurrent Assets (Tables)
3 Months Ended
Mar. 31, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Schedule of Other Noncurrent Assets
Other noncurrent assets include the following: 
March 31,
2021
March 31,
2020
December 31,
2020
 (In thousands)
Identifiable intangible assets (net of accumulated amortization of $296.4 million, $258.0 million, and $286.9 million, respectively)
$509,844 $534,044 $518,190 
Deferred income taxes71,157 62,674 72,682