Amount of noncash expense included in interest expense to issue debt and obtain financing associated with the related debt instruments. Alternate captions include noncash interest expense.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 8

-Article 9

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.8)

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 8

-Article 5

Name:	us-gaap_AmortizationOfFinancingCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Debt and Credit Lines - Long-Term Debt (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Feb. 28, 2013	Feb. 29, 2012	Mar. 07, 2013 Term Loan B	Feb. 28, 2013 Term Loan B	Nov. 30, 2012 Term Loan B	Feb. 28, 2013 Senior Unsecured Notes	Nov. 30, 2012 Senior Unsecured Notes	Feb. 28, 2013 Senior Revolving Credit Facility	Nov. 30, 2012 Senior Revolving Credit Facility
Debt Instrument [Line Items]
Amortization of Financing Costs	$ 0.6	$ 0.7
Term Loan B			$ 195.5	$ 200.0	$ 200.0
Long-term debt, interest rate				5.50%	5.50%	7.875%	7.875%	245.00%	1.75%