Guarantees and Indemnifications (Tables)

3 Months Ended

Sep. 30, 2015

Notes To Consolidated Financial Statements [Abstract]

Schedule Of Guarantee Obligations Text Block

			Maximum Exposure
Company		Description	(in millions)		Expiration Dates
On behalf of subsidiaries:
	Various	Surety Bonds (1)	$	33.2	2015 - 2016
	Eversource Service and Rocky River Realty Company	Lease Payments for Vehicles and Real Estate	$	12.2	2019 and 2024
On behalf of external parties:
	Purchaser of E.S. Boulos Company and a bonding company	E.S. Boulos Company Indemnification	$	38.2	2016 and 2020
	Algonquin Gas Transmission, LLC	Access Northeast project
	(owner of Access Northeast assets)	capital contributions guarantee	$	206.0		2021