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Business Segments (Details 3) - USD ($)
$ in Millions

12 Months Ended

Dec. 31, 2018

Dec. 31, 2017

Dec. 31, 2016

Product

Revenue from External Customer

Net sales

$ 9,587.3

$ 7,409.4

$ 7,162.8

Transferred at Point in Time [Member] | Phosphate Crop Nutrients

Revenue from External Customer

Net sales

2,956.8

2,266.7

2,369.2

Transferred at Point in Time [Member] | Potash Crop Nutrients

Revenue from External Customer

Net sales

2,755.9

2,180.6

1,889.1

Transferred at Point in Time [Member] | Crop Nutrient Blends

Revenue from External Customer

Net sales

1,418.9

1,384.2

1,403.1

Transferred at Point in Time [Member] | Specialty Products

Revenue from External Customer

Net sales

^[1]

1,844.8

1,319.8

1,266.5

Transferred at Point in Time [Member] | Phosphate Rock

Revenue from External Customer

Net sales

53.0

0.0

0.0

Transferred at Point in Time [Member] | Other

Revenue from External Customer

Net sales

^[2]

$ 557.9

$ 258.1

$ 234.9

[1]	Includes sales of MicroEssentials®, K-Mag, Aspire and animal feed ingredients.
[2]	Includes sales of industrial potash.

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