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General - Additional Information (Details) - USD ($) $ in Thousands |  | 3 Months Ended
--- | --- | ---
Jun. 14, 2016 | Sep. 30, 2017
Regulatory Assets [Line Items] |  |
Water reduction target goal (percent) | 20.00% |
Accounting Standards Update 2016-09, Statutory Tax Withholding Component |  |
Regulatory Assets [Line Items] |  |
Excess tax benefit |  | $ 2,203

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- Definition Amount of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to excess tax benefit for share-based compensation cost. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
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