Restructuring (Tables)

3 Months Ended

Mar. 31, 2018

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 2018 and 2016 Projects during the three months ended March 31, 2018:



	Accrued Employee Severance			Asset Impairments & Net Loss on Sale or Disposal			Other Accrued Costs			Total
	(in thousands)
Beginning balance, January 1, 2018	$	37,654		$	—		$	2,471		$	40,125
Costs charged to expense	86,986			47			832			87,865
Cash payments	(7,063		)	—			(854		)	(7,917		)
Net assets disposed and impaired	—			(47		)	—			(47		)
Effect of change in exchange rates	1,566			—			2			1,568
Ending balance, March 31, 2018	$	119,143		$	—		$	2,451		$	121,594

2018 Projects [Member]

Restructuring Project [Line Items]

Restructuring and Related Costs [Table Text Block]

The total expected restructuring costs, the restructuring costs recognized, and the remaining expected restructuring costs related to the 2018 Projects are as follows:



	Total Expected Costs at March 31, 2018		Costs Recognized During the Three Months Ended March 31, 2018		Expected Remaining Costs to be Recognized at March 31, 2018
	(in thousands)
Employee severance costs	$	87,993	$	87,993	$	—
Other restructuring costs	16,500		—		16,500
Total	$	104,493	$	87,993	$	16,500

Segments:
Electricity	$	20,706	$	19,206	$	1,500
Gas	51,929		42,929		9,000
Water	23,712		17,712		6,000
Corporate unallocated	8,146		8,146		—
Total	$	104,493	$	87,993	$	16,500

2016 Projects [Member]

Restructuring Project [Line Items]

Restructuring and Related Costs [Table Text Block]

The total expected restructuring costs, the restructuring costs recognized, and the remaining expected restructuring costs related to the 2016 Projects are as follows:



	Total Expected Costs at March 31, 2018		Costs Recognized in Prior Periods		Costs Recognized During the Three Months Ended March 31, 2018			Expected Remaining Costs to be Recognized at March 31, 2018
	(in thousands)
Employee severance costs	$	38,848	$	39,855	$	(1,007	)	$	—
Asset impairments & net loss on sale or disposal	4,969		4,922		47			—
Other restructuring costs	15,767		9,435		832			5,500
Total	$	59,584	$	54,212	$	(128	)	$	5,500

Segments:
Electricity	$	10,919	$	9,025	$	394		$	1,500
Gas	31,799		29,181		618			2,000
Water	14,763		13,761		(998		)	2,000
Corporate unallocated	2,103		2,245		(142		)	—
Total	$	59,584	$	54,212	$	(128	)	$	5,500