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Long-Term Debt And Credit Facility Maturities of Debt Instruments (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Jun. 30, 2011
Maturities of Long-term Debt [Abstract]
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	$ 296
Long-term Debt, Maturities, Repayments of Principal in Year Two	276
Long-term Debt, Maturities, Repayments of Principal in Year Three	12
Long-term Debt, Maturities, Repayments of Principal in Year Four	390,000
Long-term Debt	$ 390,584	$ 230,173

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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