The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

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

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 21

-Paragraph 16, 20

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 1A

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399

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

-Publisher FASB

-Name FASB Staff Position (FSP)

-Number APB14-1

-Paragraph 31

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Note 13 - Senior and Senior Subordinated Notes Payable (Detail) (USD $) In Millions, unless otherwise specified					1 Months Ended
	Jun. 30, 2012	Jun. 30, 2012 10.75% Senior Notes due September 2016 [Member]	Jun. 30, 2012 6% Convertible Senior Subordinated Notes due October 2012 [Member]	Dec. 31, 2011 6% Convertible Senior Subordinated Notes due October 2012 [Member]	Apr. 30, 2012 9.25% Senior Subordinated Notes due April 2012 [Member]
Debt Instrument, Interest Rate, Stated Percentage		10.75%			9.25%
Cash and Cash Equivalents in Unrestricted Subsidiaries	$ 274.5
Debt Instrument, Face Amount			39.6
Debt Instrument, Unamortized Discount			1.1	3.3
Repayments of Senior Subordinated Debt					$ 10.0