The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585

Name:	us-gaap_PaymentsToAcquireProductiveAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Business Acquisition (Details) - USD ($) $ in Thousands		3 Months Ended
	Jul. 01, 2018	Mar. 31, 2019	Mar. 31, 2018
Business Acquisition [Line Items]
Payment to acquire assets		$ 121,887	$ 58,816
ETG Utility Operations
Business Acquisition [Line Items]
Payment to acquire assets	$ 1,740,000