Other Comprehensive Income (Loss)

6 Months Ended

Jun. 30, 2020


10. Other Comprehensive Income (Loss)

Changes in accumulated other comprehensive income (loss), net of tax, for the three and six months ended June 30, 2020 and 2019:


	Three Months Ended June 30, 2020								Three Months Ended June 30, 2019
(Millions of Dollars)	Gains and Losses on Cash Flow Hedges		Defined Benefit Pension and Postretirement Items		Total		Gains and Losses on Cash Flow Hedges		Defined Benefit Pension and Postretirement Items		Total
Accumulated other comprehensive loss at April. 1	$	(19.2)	$	(3.1)	$	(22.3)	$	(20.0)	$	(2.9)	$	(22.9)

Losses reclassified from net accumulated other comprehensive loss:
Interest rate derivatives (net of taxes of $—, $—, $0.1 and $—, respectively) ^(a)	0.2		—		0.2		0.2		—		0.2
Amortization of net actuarial loss (net of taxes of $—) ^(b)	—		0.1		0.1		—		—		—
Net current period other comprehensive income	0.2		0.1		0.3		0.2		—		0.2
Accumulated other comprehensive loss at June 30	$	(19.0)	$	(3.0)	$	(22.0)	$	(19.8)	$	(2.9)	$	(22.7)

^(a)Included in interest charges.

^(b)Included in the computation of net periodic pension and postretirement benefit costs.


	Six Months Ended June 30, 2020								Six Months Ended June 30, 2019
(Millions of Dollars)	Gains and Losses on Cash Flow Hedges		Defined Benefit Pension and Postretirement Items		Total		Gains and Losses on Cash Flow Hedges		Defined Benefit Pension and Postretirement Items		Total
Accumulated other comprehensive loss at Jan. 1	$	(19.4)	$	(3.1)	$	(22.5)	$	(20.2)	$	(2.9)	$	(23.1)

Losses reclassified from net accumulated other comprehensive loss:
Interest rate derivatives (net of taxes of $0.1, $—, $0.1 and $—, respectively) ^(a)	0.4		—		0.4		0.4		—		0.4
Amortization of net actuarial loss (net of taxes of $—) ^(b)	—		0.1		0.1		—		—		—
Net current period other comprehensive income	0.4		0.1		0.5		0.4		—		0.4
Accumulated other comprehensive loss at June 30	$	(19.0)	$	(3.0)	$	(22.0)	$	(19.8)	$	(2.9)	$	(22.7)

^(a)Included in interest charges.