Accumulated Other Comprehensive Loss

12 Months Ended

Nov. 30, 2018

The following table presents the changes in the balances of each component of accumulated other comprehensive loss (in thousands):



Postretirement Benefit Plan Adjustments	Total Accumulated Other Comprehensive Loss
Balance at November 30, 2016	$	(16,057	)
Other comprehensive loss before reclassifications	(3,143		)
Amounts reclassified from accumulated other comprehensive loss	1,698
Income tax benefit related to items of other comprehensive loss	578
Other comprehensive loss, net of tax	(867		)
Balance at November 30, 2017	(16,924		)
Other comprehensive income before reclassifications	8,216
Amounts reclassified from accumulated other comprehensive loss	1,892
Income tax expense related to items of other comprehensive income	(2,749		)
Other comprehensive income, net of tax	7,359
Balance at November 30, 2018	$	(9,565	)

The amounts reclassified from accumulated other comprehensive loss consisted of the following (in thousands):



	Years Ended November 30,
Details About Accumulated Other Comprehensive Loss Components	2018		2017		2016
Postretirement benefit plan adjustments
Amortization of net actuarial loss	$	336	$	142	$	79
Amortization of prior service cost	1,556		1,556		1,556
Total reclassifications (a)	$	1,892	$	1,698	$	1,635


(a)	The accumulated other comprehensive loss components are included in the computation of net periodic benefit costs as further discussed in Note 20 – Postretirement Benefits.

The estimated prior service cost expected to be amortized from accumulated other comprehensive loss into net periodic benefit cost during 2019 is $1.6 million.