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Equity and Redeemable Noncontrolling Interest - Redeemable Noncontrolling Interest, Additional Information (Details) - USD ($)
$ in Millions
Jul. 01, 2017
Jul. 07, 2016
Jan. 31, 2013
Investment [Line Items]      
Contractually defined redemption value $ 14.6    
Vital River      
Investment [Line Items]      
Ownership percentage 87.00% 12.00% 75.00%
Noncontrolling interest ownership percentage 13.00%