Goodwill (Text Block)

3 Months Ended

Mar. 31, 2016

Goodwill Excluding Non Goodwill Intangibles [Abstract]

Goodwill Disclosure [Text Block]

Goodwill

The following table reflects goodwill allocated to each reporting unit:

	Electricity			Gas		Water			Total Company
	(in thousands)
Balances at January 1, 2016
Goodwill before impairment	$	414,910		$	331,436	$	350,314		$	1,096,660
Accumulated impairment losses	(362,177		)	—		(266,361		)	(628,538		)
Goodwill, net	52,733			331,436		83,953			468,122
Effect of change in exchange rates	600			5,756		1,394			7,750
Balances at March 31, 2016
Goodwill before impairment	422,011			337,192		357,930			1,117,133
Accumulated impairment losses	(368,678		)	—		(272,583		)	(641,261		)
Goodwill, net	$	53,333		$	337,192	$	85,347		$	475,872