Quarterly report pursuant to Section 13 or 15(d)

Derivative Financial Instruments (Narrative) (Details)

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Derivative Financial Instruments (Narrative) (Details) - Dec. 31, 2005 - Cash Flow Hedging [Member] - Designated as Hedging Instrument [Member] - Treasury Lock [Member]
$ in Millions
USD ($)
derivative_agreement
Derivative [Line Items]  
Number of instruments held 2
Debt instrument, term 10 years
Proceeds from hedge, financing activities | $ $ 3.2