Income Taxes (Reconciliation Of Unrecognized Tax Benefits) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
Feb. 28, 2013	Nov. 30, 2013	Nov. 30, 2012	Nov. 30, 2011
Reconciliation of Unrecognized Tax Benefits [Roll Forward]
Balance, beginning of year	$ 2,192	$ 2,192	$ 2,631	$ 2,294
Tax positions related to current year		189	79	445
Settlements with tax authorities	(1,200)	(1,176)	0	0
Tax positions acquired		0	0	0
Lapses due to expiration of the statute of limitations		(183)	(518)	(108)
Balance, end of year		$ 1,022	$ 2,192	$ 2,631

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The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Unrecognized Tax Benefit

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The gross amount of decreases in unrecognized tax benefits resulting from settlements with taxing authorities.

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

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Gross amount of increases in unrecognized tax benefits resulting from acquisitions.

+ References

No definition available.

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The gross amount of increases in unrecognized tax benefits resulting from tax positions that have been or will be taken in the tax return for the current period, excluding amounts pertaining to examined tax returns.

+ References

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The gross amount of decreases in unrecognized tax benefits resulting from lapses of the applicable statutes of limitations.

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