CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Statement of Financial Position [Abstract]
Accounts receivable, allowance for doubtful receivables	$ 4,371	$ 7,035
Indefinite-lived and amortizable intangible assets, accumulated amortization	$ 298,593	$ 235,582
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock, authorized (in shares)	800,000,000	800,000,000
Common stock, Issued (in shares)	324,418,632	324,418,632
Treasury stock (in shares)	103,012,455	104,918,360