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Reclassification out of Accumulated Other Comprehensive Income (Notes)
6 Months Ended
Jun. 30, 2017
Equity [Abstract]  
Accumulated Other Comprehensive Income [Text Block]
Accumulated Other Comprehensive Loss
Accumulated other comprehensive loss, net of tax, is comprised of the following:
(In thousands)
Pension and Other Post Retirement Employee Benefit Plan Adjustments
Balance at December 31, 2016
$
(51,753
)
Other comprehensive income, net of tax1
527

Balance at June 30, 2017
$
(51,226
)
 
 
(In thousands)
Pension and Other Post Retirement Employee Benefit Plan Adjustments
Balance at December 31, 2015
$
(55,548
)
Other comprehensive income, net of tax1
826

Balance at June 30, 2016
$
(54,722
)
1 
For the six months ended June 30, 2017 and 2016, net periodic costs associated with our pension and other postretirement employee benefit, or OPEB, plans included in other comprehensive income and reclassified from accumulated other comprehensive loss were $1.6 million and $2.2 million, respectively, of actuarial loss amortization, as well as $0.8 million and $0.8 million, respectively, of prior service credit amortization, all net of tax totaling $0.3 million and $0.5 million, respectively. These accumulated other comprehensive loss components are included in the computation of net periodic pension and OPEB costs in Note 10, “Pension and Other Postretirement Employee Benefit Plans.”