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Acquisition (Details Textual)	6 Months Ended
	Jun. 30, 2012 Customer
Acquisition (Textual) [Abstract]
Number of residential and commercial customers receiving propane distribution service	11,000
Minimum number of customer to whom gas distribution systems and bulk delivery service provided	500

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- Definition

Minimum number of customer to whom gas distribution systems and bulk delivery service provided.

+ References

No definition available.

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- Definition

Number of residential and commercial customers receiving propane distribution service.

+ References

No definition available.

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