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Business Acquisitions, Goodwill and Intangible Assets - Disposal Group (Details) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2018 USD ($) | Mar. 31, 2018 USD ($)
Classification of related assets and liabilities of the Disposal Group as held for sale in the consolidated balance sheet |  |
Impairment of goodwill |  | $ 125,400
Summary of financial information of the Disposal Group is as follows: |  |
Less: Impairment of assets held for sale | $ (168,178) | (168,178)
Total assets held for sale | 116,755 | 116,755
Total liabilities held for sale | 46,459 | 46,459
Construction Services | Disposal Group as held for sale |  |
Classification of related assets and liabilities of the Disposal Group as held for sale in the consolidated balance sheet |  |
Impairment of goodwill | 125,400 |
Impairment of intangible and other noncurrent assets | 42,800 |
Summary of financial information of the Disposal Group is as follows: |  |
Current assets | 78,100 | 78,100
Non-current assets | 81,500 | 81,500
Goodwill | 125,400 | 125,400
Less: Impairment of assets held for sale | (168,200) | (168,200)
Total assets held for sale | 116,800 | 116,800
Current liabilities | 36,200 | 36,200
Non-current liabilities | 10,300 | 10,300
Total liabilities held for sale | 46,500 | 46,500
Net Assets Held for Sale | $ 70,300 | $ 70,300

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