Restructuring (Tables)

9 Months Ended

Sep. 30, 2016

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, 2014 and 2013 Projects during the nine months ended September 30, 2016:

	Accrued Employee Severance			Asset Impairments & Net Loss on Sale or Disposal			Other Accrued Costs			Total
	(in thousands)
Beginning balance, January 1, 2016	$	26,533		$	—		$	3,048		$	29,581
Costs charged to expense	34,919			5,153			1,222			41,294
Cash payments	(14,476		)	—			(1,331		)	(15,807		)
Non-cash items	—			(5,153		)	—			(5,153		)
Effect of change in exchange rates	(95		)	—			(5		)	(100		)
Ending balance, September 30, 2016	$	46,881		$	—		$	2,934		$	49,815

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 nine months ended September 30, 2016, and the remaining expected restructuring costs as of September 30, 2016 related to the 2016 Projects are as follows:

	Total Expected Costs at September 30, 2016		Costs Recognized During the Nine Months Ended September 30, 2016		Expected Remaining Costs to be Recognized at September 30, 2016
	(in thousands)
Employee severance costs	$	44,162	$	34,662	$	9,500
Asset impairments & net loss on sale or disposal	5,184		5,184		—
Other restructuring costs	16,652		152		16,500
Total	$	65,998	$	39,998	$	26,000
Segments:
Electricity	$	10,044	$	6,544	$	3,500
Gas	33,214		20,214		13,000
Water	21,410		12,410		9,000
Corporate unallocated	1,330		830		500
Total	$	65,998	$	39,998	$	26,000

2014 Project [Member]

Restructuring Project [Line Items]

Restructuring and Related Costs [Table Text Block]

The total expected restructuring costs, the restructuring costs recognized in prior periods, the restructuring costs recognized during the nine months ended September 30, 2016, and the remaining expected restructuring costs as of September 30, 2016 related to the 2014 Projects were as follows:

	Total Expected Costs at September 30, 2016		Costs Recognized in Prior Periods		Costs Recognized During the Nine Months Ended September 30, 2016			Expected Remaining Costs to be Recognized at September 30, 2016
	(in thousands)
Employee severance costs	$	34,630	$	34,373	$	257		$	—
Asset impairments & net loss on sale or disposal	8,849		8,880		(31		)	—
Other restructuring costs	4,999		3,929		1,070			—
Total	$	48,478	$	47,182	$	1,296		$	—
Segments:
Electricity	$	20,610	$	21,743	$	(1,133	)	$	—
Gas	13,631		11,855		1,776			—
Water	1,995		1,940		55			—
Corporate unallocated	12,242		11,644		598			—
Total	$	48,478	$	47,182	$	1,296		$	—