Accumulated Other Comprehensive Loss (Tables)

12 Months Ended

Nov. 30, 2018

Equity [Abstract]

Changes in the balances of each component of accumulated other comprehensive loss

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	)

Amounts reclassified from accumulated other comprehensive loss

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.