Restructuring (Tables)

3 Months Ended

Mar. 31, 2017

Restructuring Project [Line Items]

Schedule of Restructuring Reserve by Type of Cost [Table Text Block]

The following table summarizes the activity within the restructuring related balance sheet accounts for the 2016 and 2014 Projects during the three months ended March 31, 2017:

	Accrued Employee Severance			Asset Impairments & Net Loss on Sale or Disposal		Other Accrued Costs			Total
	(in thousands)
Beginning balance, January 1, 2017	$	45,368		$	—	$	2,602		$	47,970
Costs charged to expense	1,316			—		1,736			3,052
Cash payments	(3,291		)	—		(1,558		)	(4,849		)
Non-cash items	—			—		—			—
Effect of change in exchange rates	1,193			—		2			1,195
Ending balance, March 31, 2017	$	44,586		$	—	$	2,782		$	47,368

2016 Projects [Member]

Restructuring Project [Line Items]

Restructuring and Related Costs [Table Text Block]

The total expected restructuring costs, the restructuring costs recognized during the three months ended March 31, 2017, and the remaining expected restructuring costs as of March 31, 2017 related to the 2016 Projects are as follows:

	Total Expected Costs at March 31, 2017		Costs Recognized in Prior Periods		Costs Recognized During the Three Months Ended March 31, 2017			Expected Remaining Costs to be Recognized at March 31, 2017
	(in thousands)
Employee severance costs	$	45,502	$	39,686	$	1,316		$	4,500
Asset impairments & net loss on sale or disposal	7,219		7,219		—			—
Other restructuring costs	15,125		889		1,736			12,500
Total	$	67,846	$	47,794	$	3,052		$	17,000
Segments:
Electricity	$	10,151	$	8,827	$	(176	)	$	1,500
Gas	33,552		23,968		1,084			8,500
Water	20,579		13,061		1,018			6,500
Corporate unallocated	3,564		1,938		1,126			500
Total	$	67,846	$	47,794	$	3,052		$	17,000