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Debt And Credit Agreements (Tables)

9 Months Ended

Sep. 30, 2012

Debt And Credit Agreements [Abstract]

Schedule Of Borrowings Under Credit Agreement At Various Indebtedness To Adjusted EBITDA Levels

Pricing Under Revolving Credit Agreement (Basis Points)
Indebtedness-to-Adjusted EBITDA Ratio	Credit Spread Over LIBOR	Commitment Fee
>2.0x but <= 3.0x	200	35
>1.0x but <=2.0x	175	30
<=1.0x	150	25

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Schedule Of Borrowings Under Credit Agreement At Various Indebtedness To Adjusted EBITDA Levels [Table Text Block]

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