SHAREHOLDERS' EQUITY (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Equity [Abstract]
Common shares, authorized	65,000,000	65,000,000
Common shares, par value (in dollars per share)	$ 0.10	$ 0.10
Preference Stock Shares Authorized	100,000
Preference Stock Par Or Stated Value Per Share	$ 0
Preferred Stock, Shares Authorized	5,000,000
Preferred Stock, Par or Stated Value Per Share	$ 0
Preference Stock Shares Issued	0
Preferred Stock, Shares Issued	0
Stock repurchased and retired during period, value	$ 32.5	$ 36.3	$ 15.3
Stock repurchased and retired during period, shares	371,452	453,207	192,509
Stock Options
Share-based Compensation
Shares retired that were received by employees as payment for the exercise price of their stock options and taxes owed upon exercise of their stock options and release of their restricted awards (in shares)	101,690	63,133	126,332
Stock Awards
Share-based Compensation
Shares forfeited during period	0	16,839	2,511