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Fair Value Measurements (Narrative) (Details) (USD $)	2 Months Ended	12 Months Ended
Fair Value Measurements (Narrative) (Details) (USD $)	Dec. 31, 2012 item	Dec. 31, 2013 item	Dec. 31, 2012 item	Dec. 31, 2011 item
Extinguishment of Debt [Line Items]
Triangular distribution, number of trails		500,000
Carrying value of outstanding debt	$ 207,803,000	$ 214,007,000	$ 207,803,000
Number of completed acquisitions	3	1	4	2
Long-Term Debt [Member]
Extinguishment of Debt [Line Items]
Fair value of outstanding debt		220,825,000
Carrying value of outstanding debt		$ 214,007,000
Senior Subordinated Notes, interest rate		6.25%

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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