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Accumulated Other Comprehensive Loss | 12 Months Ended
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Nov. 30, 2020
Equity [Abstract] |
Accumulated Other Comprehensive Loss | 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, 2018 |  |  | $ | (9,565) |
Other comprehensive loss before reclassifications |  |  | (10,268) |
Amounts reclassified from accumulated other comprehensive loss |  |  | 2,130 |
Income tax benefit related to items of other comprehensive loss |  |  | 2,197 |
Other comprehensive loss, net of tax |  |  | (5,941) |
Postretirement Benefit Plan Adjustments |  |  | Total Accumulated Other Comprehensive Loss
Balance at November 30, 2019 |  |  | $ | (15,506) |
Other comprehensive loss before reclassifications |  |  | (8,412) |
Amounts reclassified from accumulated other comprehensive loss |  |  | 1,388 |
Income tax benefit related to items of other comprehensive loss |  |  | 1,897 |
Other comprehensive loss, net of tax |  |  | (5,127) |
Reclassification of stranded tax effects to retained earnings |  |  | (1,643) |
Balance at November 30, 2020 |  |  | $ | (22,276) |
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 |  | 2020 |  | 2019 |  | 2018
Postretirement benefit plan adjustments |  |  |  |  |  |
Amortization of net actuarial loss |  | $ | 963 |  |  | $ | 218 |  |  | $ | 336 |
Amortization of prior service cost |  | 425 |  |  | 1,556 |  |  | 1,556 |
Settlement loss |  | — |  |  | 356 |  |  | — |
Total reclassifications (a) |  | $ | 1,388 |  |  | $ | 2,130 |  |  | $ | 1,892 |
(a)The accumulated other comprehensive loss components are included in the computation of net periodic benefit costs as further discussed in Note 22 – Postretirement Benefits. The estimated prior service cost expected to be amortized from accumulated other comprehensive loss into net periodic benefit cost during 2021 is $.1 million.

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -URI http://asc.fasb.org/topic&trid=2134417 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -URI http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 + Details
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