Restructuring Restructuring (Tables)

3 Months Ended

Mar. 31, 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 2014 and 2013 Projects during the three months ended March 31, 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	1,027			1,114			96			2,237
Cash payments	(5,323		)	—			(188		)	(5,511		)
Non-cash items	—			(1,114		)	—			(1,114		)
Effect of change in exchange rates	352			—			(90		)	262
Ending balance, March 31, 2016	$	22,589		$	—		$	2,866		$	25,455

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 three months ended March 31, 2016, and the remaining expected restructuring costs as of March 31, 2016 related to the 2014 Projects were as follows:

	Total Expected Costs at March 31, 2016		Costs Recognized in Prior Periods		Costs Recognized During the Three Months Ended March 31, 2016			Remaining Costs to be Recognized at March 31, 2016
	(in thousands)
Employee severance costs	$	35,400	$	34,373	$	1,027		$	—
Asset impairments & net loss on sale or disposal	9,994		8,880		1,114			—
Other restructuring costs	6,045		3,929		96			2,020
Total	$	51,439	$	47,182	$	2,237		$	2,020
Segments:
Electricity	$	24,098	$	21,743	$	528		$	1,827
Gas	13,206		11,855		1,264			87
Water	1,891		1,940		(64		)	15
Corporate unallocated	12,244		11,644		509			91
Total	$	51,439	$	47,182	$	2,237		$	2,020