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Business Combinations - Revenue and Income (Details) - AS&E - USD ($) $ in Thousands | 3 Months Ended | 4 Months Ended | 6 Months Ended
--- | --- | --- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2016 | Dec. 31, 2016 | Dec. 31, 2015
Business Combinations |  |  |  |  |
Amount included in revenue | $ 29,100 |  | $ 43,200 |  |
Amount included in operating loss | 3,000 |  | $ 100 |  |
Pro forma results of operations assume the AS&E acquisition had occurred on July 1, 2015 |  |  |  |  |
Revenues | 242,548 | $ 219,433 |  | $ 481,158 | $ 444,150
Income (loss) before taxes | 14,503 | $ (12,124) |  | (12,886) | $ (7,420)
Non-recurring acquisition and employee termination costs | $ 7,800 |  |  | $ 13,200 |

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- Definition The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463 + Details
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- Definition This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463 + Details
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