ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables)

3 Months Ended

Mar. 31, 2020

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS).

Schedule of changes in accumulated other comprehensive income (loss) by component, net of tax

									Accumulated
					Non-				Other
			Post-		Qualified				Comprehensive
(In millions)	Pensions		Retirement		Plans		Other		Income (Loss)
Balance at December 31, 2019	$	(51.9)	$	16.3	$	(0.4)	$	(0.9)	$	(36.9)
Amortization of prior service cost		(0.5)		(0.6)		(0.1)		—		(1.2)
Amortization of net loss		1.1		0.1		0.1		—		1.3
Foreign currency exchange		—		—		—		(0.5)		(0.5)
Other adjustments		—		—		—		(0.2)		(0.2)
Balance at March 31, 2020	$	(51.3)	$	15.8	$	(0.4)	$	(1.6)	$	(37.5)

									Accumulated
					Non-				Other
			Post-		Qualified				Comprehensive
(In millions)	Pensions		Retirement		Plans		Other		Income (Loss)
Balance at December 31, 2018	$	(55.8)	$	21.7	$	(0.1)	$	(0.3)	$	(34.5)
Amortization of prior service cost		(0.4)		(0.7)		—		—		(1.1)
Amortization of net loss		0.7		0.2		—		—		0.9
Balance at March 31, 2019	$	(55.5)	$	21.2	$	(0.1)	$	(0.3)	$	(34.7)