ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)

12 Months Ended

Dec. 31, 2019

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS).

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)

13.ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)

Changes in accumulated other comprehensive income (loss) by component, net of tax, are as follows:

					Non-				Accumulated
			Post-		Qualified				Other
	Pension		Retirement		Pension				Comprehensive
(In millions)	Benefits		Benefits		Benefits		Other		Income (Loss)
Balance at December 31, 2017	$	(40.6)	$	15.6	$	(0.3)	$	0.4	$	(24.9)
Reclassification adjustment related to the Tax Act (1)		(9.2)		3.4		(0.2)		—		(6.0)
Amortization of prior service cost		(1.7)		(2.9)		(0.1)		—		(4.7)
Amortization of net loss (gain)		(4.3)		5.6		0.5		(0.7)		1.1
Balance at December 31, 2018		(55.8)		21.7		(0.1)		(0.3)		(34.5)
Amortization of prior service cost		(1.7)		(2.6)		(0.1)		(0.1)		(4.5)
Amortization of net loss (gain)		5.6		(2.8)		(0.2)		0.1		2.7
Other adjustments		—		—		—		(0.6)		(0.6)
Balance at December 31, 2019	$	(51.9)	$	16.3	$	(0.4)	$	(0.9)	$	(36.9)

(1) Reclassification from accumulated other comprehensive income (loss) to retained earnings for the remeasurement tax effects resulting from applying the Tax Act in accordance with ASU 2018-02.

Other comprehensive income (loss) in the Consolidated Statements of Income and Comprehensive Income is shown net of tax benefit (expense) of $(0.3) million, $0.2 million and $(4.4) million for the years ended December 2019, 2018 and 2017, respectively.