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Business Acquisitions, Investments and Restructuring Charges - Narrative (Details) - USD ($)
1 Months Ended 3 Months Ended
Apr. 24, 2019
Mar. 31, 2019
Mar. 31, 2018
Business Acquisition [Line Items]      
Proceeds from noncontrolling equity interest   $ (11,600,000) $ 0
Restructuring charges   3,000,000.0 9,500,000
Restructuring expenditures   4,600,000 $ 8,400,000
Expected charges to be incurred related to restructuring   $ 5,000,000  
Subsequent Event | Business in Oregon      
Business Acquisition [Line Items]      
Business combination, consideration transferred $ 56,000,000