Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015
Net earnings		$ 18,446	$ 5,757
Defined benefit pension and other postretirement employee benefits:
Amortization of actuarial loss included in net periodic cost, net of tax expense of $1,206 and $965		912	1,877
Amortization of prior service credit included in net periodic cost, net of tax benefit of $(207) and $(29)		257	320
Other comprehensive income (loss), net of tax	[1]	655	1,557
Comprehensive income		$ 19,101	$ 7,314

[1] For the three months ended March 31, 2016 and 2015, 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 included $1.5 million and $3.1 million, respectively, of actuarial loss amortization, as well as $0.4 million and $0.5 million, respectively, of prior service credit amortization, all net of tax totaling $0.4 million and $1.0 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.”