Debt Instrument, Basis Spread Over LIBOR

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- Definition

Line Of Credit Annual Facility Fees

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- Definition

The component of interest expense comprised of the periodic charge against earnings over the life of the financing arrangement to which such costs relate. Alternate captions include Noncash Interest Expense.

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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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- Definition

Fair value of the amount outstanding under the credit facility.

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 107

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

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-Topic 825

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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- Definition

The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

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-Publisher FASB

-Name Emerging Issues Task Force (EITF)

-Number 95-13

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

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- Definition

The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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-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.

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-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.

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

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- Definition

The cash outflow for a borrowing having initial term of repayment within one year or the normal operating cycle, if longer.

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-Publisher FASB

-Name Accounting Standards Codification

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-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.

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-Publisher FASB

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-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.

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-Glossary Financing Activities

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The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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Borrowings (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended			3 Months Ended		3 Months Ended
	Sep. 30, 2011	Sep. 30, 2011 2011 Credit Facility [Member]	Sep. 22, 2011 2011 Credit Facility [Member]	Sep. 30, 2011 Five-Year Term Loan Facility [Member]	Sep. 22, 2011 Five-Year Term Loan Facility [Member]	Sep. 30, 2011 Five-Year Revolving Credit Facility [Member]	Sep. 22, 2011 Five-Year Revolving Credit Facility [Member]	Sep. 30, 2010 Fixed-Rate Senior Notes [Member]
Debt Instrument [Line Items]
Proceed from issuance of five-year term loan facility	$ 490.0
Credit facility maximum borrowing capacity			990.0		490.0		500.0
Spread over LIBOR (basis point)		125
Annual facility fee (as basis point)						15
Debt issuance costs incurred	2.5	2.6
Debt issuance cost expensed		0.1
Debt issuance cost capitalized		2.5
Fair value of the fixed-rate senior notes								130.8
Repayment of short-term borrowings	$ 400.0			$ 200.0		$ 200.0