Restructuring (Tables)

9 Months Ended

Sep. 30, 2018

Restructuring Project [Line Items]

Schedule of Restructuring Reserve by Type of Cost

The following table summarizes the activity within the restructuring related balance sheet accounts for the 2018 and 2016 Projects during the nine months ended September 30, 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	79,011			568			3,329			82,908
Cash (payments) receipts	(23,302		)	332			(4,478		)	(27,448		)
Net assets disposed and impaired	—			(900		)	—			(900		)
Effect of change in exchange rates	(3,996		)	—			(2		)	(3,998		)
Ending balance, September 30, 2018	$	89,367		$	—		$	1,320		$	90,687

2018 Projects [Member]

Restructuring Project [Line Items]

Restructuring and Related Costs

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 September 30, 2018		Costs Recognized During the Nine Months Ended September 30, 2018		Expected Remaining Costs to be Recognized at September 30, 2018
	(in thousands)
Employee severance costs	$	81,669	$	81,669	$	—
Asset impairments & net loss on sale or disposal	115		115		—
Other restructuring costs	19,356		1,280		18,076
Total	$	101,140	$	83,064	$	18,076
Segments:
Electricity	$	20,609	$	19,109	$	1,500
Gas	52,289		41,583		10,706
Water	21,804		15,934		5,870
Corporate unallocated	6,438		6,438		—
Total	$	101,140	$	83,064	$	18,076

2016 Projects [Member]

Restructuring Project [Line Items]

Restructuring and Related Costs

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 September 30, 2018		Costs Recognized in Prior Periods		Costs Recognized During the Nine Months Ended September 30, 2018			Expected Remaining Costs to be Recognized at September 30, 2018
	(in thousands)
Employee severance costs	$	37,197	$	39,855	$	(2,658	)	$	—
Asset impairments & net loss on sale or disposal	5,375		4,922		453			—
Other restructuring costs	16,064		9,435		2,049			4,580
Total	$	58,636	$	54,212	$	(156	)	$	4,580
Segments:
Electricity	$	11,029	$	9,025	$	696		$	1,308
Gas	30,287		29,181		(791		)	1,897
Water	14,678		13,761		(302		)	1,219
Corporate unallocated	2,642		2,245		241			156
Total	$	58,636	$	54,212	$	(156	)	$	4,580