Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Statement of Financial Position [Abstract]
Accounts receivable, allowances	$ 9,549	$ 9,063
Property and equipment, accumulated depreciation	$ 482,861	$ 450,286
Common stock, par value (in usd per share)	$ 2	$ 2
Common stock, authorized (shares)	200,000	200,000
Common stock, issued (shares)	76,196	76,279
Common stock, outstanding (shares)	76,196	76,279