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Regulatory Rate Filings (Details) (USD $)	0 Months Ended	9 Months Ended
	Sep. 29, 2014	Sep. 30, 2014	Aug. 14, 2014	Oct. 03, 2013
Regulated Operations [Abstract]
Water reduction target goal (percent)		20.00%
Authorized rate increase, authorized revenue, year one			$ 22,102,000
Authorized rate increase, authorized revenue, year one (percent)			9.81%
Authorized rate increase, authorized revenue, year two			13,274,000
Authorized rate increase, authorized revenue, year two (percent)			5.21%
Authorized Regulatory Surcharge, Gross	46,700,000
Customer surcharge, recognition period	3 years
Authorized Regulatory Surcharge, Per CCF	0.2888
Increase requested percent of authorized revenue (percent)				23.10%
Requested rate increase, authorized revenue				$ 2,400,000

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- Definition

Authorized Regulatory Surcharge, Gross

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- Definition

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- Definition

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- Definition

Water Reduction Target Goal, Percentage

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