XML 71 R20.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Other Comprehensive Income
 12 Months Ended
Dec. 31, 2019
Stockholders' Equity Note [Abstract]  
Other Comprehensive Income
Changes in accumulated other comprehensive loss, net of tax, for the years ended Dec. 31:
 
 
2019
(Millions of Dollars)
 
Gains and Losses on Cash Flow Hedges
 
Defined Benefit Pension and Postretirement Items
 
Total
Accumulated other comprehensive loss at Jan. 1
 
$
(20.2
)
 
$
(2.9
)
 
$
(23.1
)
Other comprehensive loss before reclassifications (net of taxes of $0 and $(0.1) respectively)
 
—

 
(0.4
)
 
(0.4
)
Losses reclassified from net accumulated other comprehensive loss:
 
 
 
 
 
 
Interest rate derivatives (net of taxes of $0.3 and $0, respectively) (a)
 
0.8

(a) 
—

 
0.8

Amortization of net actuarial loss (net of taxes of $0 and $0.1, respectively)
 
—

 
0.2

(b) 
0.2

Net current period other comprehensive income (loss)
 
0.8

 
(0.2
)
 
0.6

Accumulated other comprehensive loss at Dec. 31
 
$
(19.4
)
 
$
(3.1
)
 
$
(22.5
)

(a) 
Included in interest charges.
(b) 
Included in the computation of net periodic pension and postretirement benefit costs. See Note 9 for further information.
 
 
2018
(Millions of Dollars)
 
Gains and Losses on Cash Flow Hedges
 
Unrealized Gains and Losses on Marketable Securities
 
Defined Benefit Pension and Postretirement Items
 
Total
Accumulated other comprehensive (loss) income at Jan. 1
 
$
(20.9
)
 
$
0.1

 
$
(3.7
)
 
$
(24.5
)
Other comprehensive (loss) income before reclassifications (net of taxes of $0, $0 and $0.3, respectively)
 
—

 
(0.1
)
 
0.6

 
0.5

Losses reclassified from net accumulated other comprehensive loss:
 
 
 
 
 
 
 
 
Interest rate derivatives (net of taxes of $0.3, $0 and $0, respectively)
 
0.7

(a) 
—

 
—

 
0.7

Amortization of net actuarial loss (net of taxes of $0, $0 and $0.1, respectively)
 
—

 
—

 
0.2

(b) 
0.2

Net current period other comprehensive income (loss)
 
0.7

 
(0.1
)
 
0.8

 
1.4

Accumulated other comprehensive loss at Dec. 31
 
$
(20.2
)
 
$
—

 
$
(2.9
)
 
$
(23.1
)

(a) 
Included in interest charges.
(b) 
Included in the computation of net periodic pension and postretirement benefit costs. See Note 9 for further information.