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Commitments and Contingencies (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended | 60 Months Ended
--- | --- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015 | Dec. 31, 2015
Loss Contingencies [Line Items] |  |  |  |  |
Annual sales | $ 1,032.3 | $ 1,060.0 | $ 2,074.8 | $ 2,148.0 |
PERU | Minimum [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Annual sales |  |  |  |  | $ 55.0
PERU | Maximum [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Annual sales |  |  |  |  | $ 85.0

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