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RELATED PARTIES (Summary Of Related Party Transactions Table Disclosure) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Related Party Transaction [Line Items] |  |  |  |
Revenues | $ 555.6 | $ 741.8 | $ 1,455.8 | $ 1,636.1
Related party product revenue as a percent of total product revenue | 50.90% | 57.30% | 52.90% | 56.60%
Product [Member] |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Product revenues from related parties | $ 262.0 | $ 392.4 | $ 718.9 | $ 863.8
Revenues | $ 515.0 | $ 684.7 | $ 1,357.8 | $ 1,525.9

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