The percentage by which average market price exceeds the sum of the issue price, accrued original issue discount and contingent additional principal on the zero-coupon subordinated notes at which contingent cash interest becomes payable.

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- Details

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- Definition

The reference rate for the variable rate of the interest rate derivative, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ Details

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- Definition

Fixed interest rate related to the interest rate derivative.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

The effective portion of gains on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 205G

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 44C
-Subparagraph b
-Clause 2

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- Definition

Fair value of a derivative liability (or nonderivative instrument) that is designated and qualifies as a hedging instrument, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position.

+ References

+ Details

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Fair value as of the balance sheet date of all interest rate derivative liabilities designated as cash flow hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 17

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DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended				6 Months Ended
	Mar. 31, 2011	Jun. 30, 2011	Dec. 31, 2010	Jun. 30, 2011 Balance Sheet Location, Other Liabilities [Member]	Dec. 31, 2010 Balance Sheet Location, Other Liabilities [Member]	Jun. 30, 2011 Interest rate contract [Member]	Jun. 30, 2010 Interest rate contract [Member]
Notes To Financial Statements [Abstract]
Fixed interest rate related to interest rate swap agreement (in hundredths)	2.92%
Variable interest rate related to interest rate swap agreement	three-month LIBOR
Fair value of interest rate swap			$ 2.4
Minimum percentage of market price to calculated value of zero-coupon subordinated debt at which the entity is subject to contingent cash interest		120.00%
Derivatives, Fair Value [Line Items]
Other liabilities				0	2.4
Derivative Instruments, Gain (Loss) [Line Items]
Effective portion of derivative gain						$ 2.4	$ 4.0