Note 3 - Related Party Transactions (Detail) (USD $)	0 Months Ended	3 Months Ended
Aug. 31, 2011	Aug. 31, 2012	Aug. 19, 2011	May 31, 2012
Related Party Transaction, Amounts of Transaction			$ 18,000,000
Deferred Finance Costs, Noncurrent, Net		36,121,000		38,769,000
Asset Management Fees	200,000	1,100,000
TPG Capital [Member]
Deferred Finance Costs, Noncurrent, Net			8,000,000
Asset Management Fees		$ 3,000,000

Revenue recognized in the period for (1) performance (incentive) fees based on the investment results achieved for management of certain institutional accounts and hedge funds, (2) schedule-based fees earned for management of mutual funds and closed-end funds, based either on average daily net assets or on a combination of the average daily net assets and gross income, and (3) other investment management and advisory fees.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-04.13(a),(d))

-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

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

-Publisher AICPA

-Name Audit and Accounting Guide (AAG)

-Number AAG-BRD

-Paragraph 9, 51, 59

-IssueDate 2006-05-01

-Chapter 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Name:	us-gaap_AssetManagementFees
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration