EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Earnings Per Share [Abstract]
Net income	$ 207.4	$ 185.6	$ 171.3
Weighted-average shares for basic EPS (in shares)	82.2	83.2	83.3
Plus incremental shares from assumed conversions of long-term incentive plan shares (in shares)	0.6	0.4	0.1
Weighted-average shares for diluted EPS (in shares)	82.8	83.6	83.4
Basic earnings per share (in dollars per share)	$ 2.52	$ 2.23	$ 2.06
Diluted earnings per share (in dollars per share)	$ 2.50	$ 2.22	$ 2.05