The total of net gain (loss), prior service cost (credit), and transition assets (obligations), as well as minimum pension liability if still remaining, included in accumulated other comprehensive income associated with a defined benefit pension or other postretirement plan(s) because they have yet to be recognized as components of net periodic benefit cost.

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The number of securities classified as temporary equity that have been issued and are held by the entity's shareholders. Securities outstanding equals securities issued minus securities held in treasury. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer.

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Balance Sheet Accounts - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Feb. 28, 2014	Feb. 28, 2013	Nov. 30, 2013
Temporary Equity [Line Items]
Accumulated other comprehensive loss, net of income tax related to retirement benefit plan	$ 5.0
Redeemable common stock, shares outstanding	0.1		0.1
Realized gains and interest		0.1
Purchase of treasury stock	$ 8.6
Common Stock [Member]
Temporary Equity [Line Items]
Number of common shares repurchased	0.5
Maximum [Member]
Temporary Equity [Line Items]
Redeemable common stock, shares outstanding	0.1