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Goodwill and Intangible Assets Goodwill (Details) $ in Thousands | 3 Months Ended
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Dec. 31, 2020 USD ($)
Goodwill [Line Items] |
Goodwill | $ 53,763
Goodwill, Acquired During Period | 32,686
Goodwill | 86,449
Commercial and Industrial [Member] |
Goodwill [Line Items] |
Goodwill | 0
Goodwill | 0
Residential [Member] |
Goodwill [Line Items] |
Goodwill | 16,219
Goodwill, Acquired During Period | 28,121
Goodwill | 44,340
Infrastructure Solutions [Member] |
Goodwill [Line Items] |
Goodwill | 34,728
Goodwill, Acquired During Period | 4,565
Goodwill | 39,293
Communications [Member] |
Goodwill [Line Items] |
Goodwill | 2,816
Goodwill | $ 2,816

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- 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
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + 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 (b) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
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