FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables)

12 Months Ended

Dec. 31, 2025

FAIR VALUE OF FINANCIAL INSTRUMENTS

Schedule of fair value measurement

					Quoted Prices in		Significant		Significant
	Total				Active Markets		Observable		Unobservable
	​ ​ ​Carrying Value		​ ​ ​ ​ ​ ​ ​Total		(Level 1)		Inputs (Level 2)		Inputs (Level 3)
(In millions)	December 31, 2025		Fair Value Measurements at December 31, 2025
Cash and cash equivalents	$	141.9	$	141.9	$	141.9	$	—	$	—
CCF - Cash and cash equivalent	$	307.2	$	307.2	$	307.2	$	—	$	—
CCF - Investments	$	225.5	$	226.4	$	226.4	$	—	$	—
Fixed rate debt	$	361.2	$	293.6	$	—	$	293.6	$	—
(In millions)	December 31, 2024		​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​Fair Value Measurements at December 31, 2024
Cash and cash equivalents	$	266.8	$	266.8	$	266.8	$	—	$	—
CCF - Cash and cash equivalent	$	230.7	$	230.7	$	230.7	$	—	$	—
CCF - Investments	$	411.9	$	412.5	$	412.5	$	—	$	—
Fixed rate debt	$	400.9	$	317.7	$	—	$	317.7	$	—