Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Statement of Financial Position [Abstract]
Allowance for doubtful accounts, current	$ 75,745	$ 70,192
Accumulated amortization of other intangible assets	35,145	32,738
Allowance for doubtful accounts, noncurrent	$ 3,917	$ 3,273
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock authorized (in shares)	100,000,000	100,000,000
Common stock issued (in shares)	76,329,000	76,161,000
Common stock outstanding (in shares)	74,195,000	74,088,000
Common stock in treasury (in shares)	2,134,000	2,073,000