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Accumulated Other Comprehensive Loss (Tables) | 12 Months Ended
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Nov. 30, 2015
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, 2013 |  |  | $ | (17,516 | )
Other comprehensive loss before reclassifications |  |  | (3,801 | )
Amounts reclassified from accumulated other comprehensive loss |  |  | 1,913 |
Income tax expense related to items of other comprehensive income |  |  | (1,604 | )
Other comprehensive loss, net of tax |  |  | (3,492 | )
Balance at November 30, 2014 |  |  | (21,008 | )
Other comprehensive income before reclassifications |  |  | 3,745 |
Amounts reclassified from accumulated other comprehensive loss |  |  | 2,404 |
Income tax expense related to items of other comprehensive income |  |  | (2,460 | )
Other comprehensive income, net of tax |  |  | 3,689 |
Balance at November 30, 2015 |  |  | $ | (17,319 | )
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 |  | 2015 |  | 2014 |  | 2013
Postretirement benefit plan adjustments |  |  |  |  |  |
Amortization of net actuarial loss |  | $ | 848 |  |  | $ | 357 |  |  | $ | 1,803 |
Amortization of prior service cost |  | 1,556 |  |  | 1,556 |  |  | 1,556 |
Total reclassifications (a) |  | $ | 2,404 |  |  | $ | 1,913 |  |  | $ | 3,359 |
(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.

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- Definition Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss). + References No definition available. + Details
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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669686-108580 + Details
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