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Consolidated Balance Sheet Parentheticals - USD ($) shares in Millions, $ in Millions | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Accounts Receivable [Abstract] |  |
Accounts Receivable, Allowance | $ 1.3 | $ 0.9
Common Stock [Abstract] |  |
Common Stock, Par Value | $ 0 | $ 0
Common Stock, Shares Authorized | 80.0 | 80.0
Common Stock, Shares Outstanding | 51.9 | 51.7
Common Stock, Shares Issued | 51.9 | 51.7

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