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Long Term Debt (Current & Noncurrent Breakout) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Debt Disclosure Current [Abstract]
Long-term debt	$ 385,681	$ 447,963
Less current portion	12,274	10,800
Long-term debt, gross	$ 397,955	$ 458,763

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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