XML 57 R26.htm IDEA: XBRL DOCUMENT v3.2.0.727
Changes in Accumulated Other Comprehensive Income by Component (Tables)
 6 Months Ended
Jun. 30, 2015
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]  
Schedule of the changes in accumulated OCI by component
The following tables explain the changes in accumulated OCI by component during the applicable period:
 
Three Months Ended June 30, 2015
 
Natural gas cash
flow hedges, net of tax
 
Interest rate
cash flow
hedges, net
of tax
 
Pension and
other post-
retirement
benefits liability
adjustment,
net of tax
 
Accumulated
OCI, net of tax
 
(Thousands)
Accumulated OCI (loss), net of tax, as of April 1, 2015
$
176,370

 
$
(951
)
 
$
(16,438
)
 
$
158,981

(Gains) losses reclassified from accumulated OCI, net of tax
(42,581
)
(a)
36

(a)
202

(b)
(42,343
)
Accumulated OCI (loss), net of tax, as of June 30, 2015
$
133,789

 
$
(915
)
 
$
(16,236
)
 
$
116,638


 
Three Months Ended June 30, 2014
 
Natural gas cash
flow hedges, net of tax
 
Interest rate
cash flow
hedges, net
of tax
 
Pension and
other post-
retirement
benefits liability
adjustment,
net of tax
 
Accumulated
OCI, net of tax
 
(Thousands)
Accumulated OCI (loss), net of tax, as of April 1, 2014
$
39,768

 
$
(1,096
)
 
$
(15,688
)
 
$
22,984

Losses recognized in accumulated OCI, net of tax
(13,455
)
(a)
—

 
—

 
(13,455
)
Gain reclassified from accumulated OCI, net of tax, into gain on sale / exchange of assets
(16,735
)
(a)
—

 
—

 
(16,735
)
Losses reclassified from accumulated OCI, net of tax
10,883

(a)
36

(a)
176

(b)
11,095

Change in accumulated OCI (loss), net of tax
(19,307
)
 
36

 
176

 
(19,095
)
Accumulated OCI (loss), net of tax, as of June 30, 2014
$
20,461

 
$
(1,060
)
 
$
(15,512
)
 
$
3,889


 
Six Months Ended June 30, 2015
 
Natural gas cash
flow hedges, net
of tax
 
Interest rate
cash flow
hedges, net
of tax
 
Pension and
other post-
retirement
benefits liability
adjustment,
net of tax
 
Accumulated
OCI (loss), net
of tax
 
(Thousands)
Accumulated OCI (loss), net of tax, as of January 1, 2015
$
217,121

 
$
(987
)
 
$
(16,640
)
 
$
199,494

(Gains) losses reclassified from accumulated OCI, net of tax
(83,332
)
(a)
72

(a)
404

(b)
(82,856
)
Accumulated OCI (loss), net of tax, as of June 30, 2015
$
133,789

 
$
(915
)
 
$
(16,236
)
 
$
116,638

 
 
 
 
 
 
 
 
 
Six Months Ended June 30, 2014
 
Natural gas cash
flow hedges, net
of tax
 
Interest rate
cash flow
hedges, net
of tax
 
Pension and
other post-
retirement
benefits liability
adjustment,
net of tax
 
Accumulated
OCI (loss), net
of tax
 
(Thousands)
Accumulated OCI (loss), net of tax, as of January 1, 2014
$
61,699

 
$
(1,132
)
 
$
(15,864
)
 
$
44,703

Losses recognized in accumulated OCI, net of tax
(52,649
)
(a)
—

 
—

 
(52,649
)
Gain reclassified from accumulated OCI, net of tax, into gain on sale / exchange of assets
(16,735
)
(a)
—

 
—

 
(16,735
)
Losses reclassified from accumulated OCI, net of tax
28,146

(a)
72

(a)
352

(b)
28,570

Change in accumulated OCI (loss), net of tax
(41,238
)
 
72

 
352

 
(40,814
)
Accumulated OCI (loss), net of tax, as of June 30, 2014
$
20,461

 
$
(1,060
)
 
$
(15,512
)
 
$
3,889



(a)   See Note F for additional information.

(b)   This accumulated OCI reclassification is attributable to the net actuarial loss and net prior service cost related to the Company’s defined benefit pension plans and other post-retirement benefit plans.  See Note 13 to the Consolidated Financial Statements in the Company’s Annual Report on Form 10-K for the year ended December 31, 2014 for additional information.