XML 67 R57.htm IDEA: XBRL DOCUMENT
v3.19.2

Schedule of Goodwill Allocated to Reporting Segments (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Mar. 31, 2019 | Jun. 30, 2019 | Jun. 30, 2019
Goodwill [Roll Forward] |  |  |
Goodwill, net, at beginning of period | $ 1,116,533 | $ 1,116,533 |
Measurement period adjustments to goodwill acquired | 6,000 | 5,978 |
Effect of change in exchange rates |  | (494) |
Goodwill, net, at end of period | 1,116,533 | 1,116,533 | $ 1,110,061
Device Solutions [Member] |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill, net, at beginning of period | 55,259 | 55,259 |
Measurement period adjustments to goodwill acquired |  | 0 |
Effect of change in exchange rates |  | (24) |
Goodwill, net, at end of period | 55,259 | 55,259 | 55,235
Networked Solutions Segment [Member] |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill, net, at beginning of period | 918,495 | 918,495 |
Measurement period adjustments to goodwill acquired |  | (4,938) |
Effect of change in exchange rates |  | (407) |
Goodwill, net, at end of period | 918,495 | 918,495 | 913,150
Outcomes Segment [Member] |  |  |
Goodwill [Roll Forward] |  |  |
Goodwill, net, at beginning of period | 142,779 | 142,779 |
Measurement period adjustments to goodwill acquired |  | (1,040) |
Effect of change in exchange rates |  | (63) |
Goodwill, net, at end of period | $ 142,779 | $ 142,779 | $ 141,676

X
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
Name: | us-gaap_Goodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillForeignCurrencyTranslationGainLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e961-128460 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
Name: | us-gaap_GoodwillPurchaseAccountingAdjustments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_GoodwillRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=itri_DeviceSolutionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=itri_NetworkedSolutionsSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=itri_OutcomesSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |