Goodwill (Text Block)

9 Months Ended

Sep. 30, 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	329			5,843		1,411			7,583
Balances at September 30, 2016
Goodwill before impairment	421,852			337,279		358,081			1,117,212
Accumulated impairment losses	(368,790		)	—		(272,717		)	(641,507		)
Goodwill, net	$	53,062		$	337,279	$	85,364		$	475,705