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Noncontrolling Interest (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2018 | Apr. 30, 2017
Noncontrolling Interest [Abstract] |  |
Ownership in joint venture by noncontrolling owners | 30.00% |
Non-cash contribution to joint venture by noncontrolling owner |  | $ 2.1

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- Definition Noncontrolling Interest, Ownership Percentage In Joint Venture By Noncontrolling Owners + References No definition available. + Details
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- Definition Carrying amount of the equity interests owned by noncontrolling shareholders, partners, or other equity holders in joint ventures included in the entity's consolidated financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4568740-111683 + Details
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- References No definition available. + Details
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