Consolidated Statements of Shareholders' Equity (Deficit) (Parenthetical) (USD $) In Millions, unless otherwise specified	12 Months Ended
Nov. 30, 2013
Statement Of Stockholders Equity [Abstract]
Amortization of net actuarial losses, income taxes	$ 1.2
Actuarial gains arising during the period, income taxes	2.2
Amortization of prior service credits, income taxes	$ 0.1

Other Comprehensive Income Loss Pension and Other Postretirement Benefit Plans Adjustment before Reclassification Adjustments Tax

No definition available.

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- Definition

Amount of tax (expense) benefit of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) related to pension and other postretirement benefit plans.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 220

-SubTopic 10

-Section 45

-Paragraph 15

-URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e689-108580

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 220

-SubTopic 10

-Section 45

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e640-108580

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- Definition

Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income (loss) for actuarial gain (loss) related to pension and other postretirement benefit plans.

+ References

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