Employee Benefit Plans - expected benefit payments (Detail) (USD $) In Thousands, unless otherwise specified	Nov. 30, 2014
Defined Benefit Plan Disclosure [Line Items]
2015	$ 79,310
2016	76,290
2017	76,933
2018	77,602
2019	77,276
2020-2023	403,646
Pension plans, defined benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
2015	65,054
2016	62,460
2017	63,601
2018	64,795
2019	64,898
2020-2023	346,869
Other postretirement benefit plans, defined benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
2015	14,256
2016	13,830
2017	13,332
2018	12,807
2019	12,378
2020-2023	$ 56,777

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Amount of benefits expected to be paid in the five fiscal years after the fifth fiscal year following the latest fiscal year from a defined benefit plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (f)

-URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920

+ Details

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- Definition

Amount of benefits expected to be paid in the next fiscal year following the latest fiscal year from a defined benefit plan.

+ References

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- Definition

Amount of benefits expected to be paid in the fifth fiscal year following the latest fiscal year from a defined benefit plan.

+ References

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Amount of benefits expected to be paid in the fourth fiscal year following the latest fiscal year from a defined benefit plan.

+ References

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Amount of benefits expected to be paid in the third fiscal year following the latest fiscal year from a defined benefit plan.

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Amount of benefits expected to be paid in the second fiscal year following the latest fiscal year from a defined benefit plan.

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