Guarantees and Indemnifications (Tables)

3 Months Ended

Jun. 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)	$	33.8	2015 - 2016
	Eversource Service and Rocky River Realty Company	Lease Payments for Vehicles and Real Estate	$	12.7	2019 and 2024
On behalf of external parties:
	Purchaser of E.S. Boulos Company and a bonding company	E.S. Boulos Company Indemnification	$	42.1	2016 and 2020