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Stock-based Compensation	9 Months Ended
Stock-based Compensation	Sep. 30, 2019
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Stock-based Compensation	Stock-based Compensation On March 1, 2019, the Company granted 0.3 million performance stock units and 0.8 million restricted stock units under the 2015 Equity Incentive Plan. The performance stock units contain a three-year performance period with a performance target based on adjusted EBITDA margin and free cash flow conversion and possible payouts ranging from 50% to 200% of the target awards. The restricted stock units vest in equal annual increments over two or three years.