Operating Segments (Details) $ in Millions |
1 Months Ended |
3 Months Ended |
|
|
Oct. 31, 2016
Business
|
Mar. 31, 2017
USD ($)
segment
|
Mar. 31, 2016
USD ($)
|
Dec. 31, 2016
USD ($)
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Number of reportable segments | segment |
|
3
|
|
|
| Segment Reporting Information [Abstract] |
|
|
|
|
| Sales |
|
$ 387.8
|
$ 345.7
|
|
| Shipping and handling cost |
|
93.7
|
89.4
|
|
| Operating earnings (loss) |
|
41.4
|
74.3
|
|
| Depreciation, depletion and amortization |
|
28.4
|
19.9
|
|
| Total assets (as of end of period) |
|
2,323.3
|
1,651.9
|
$ 2,466.5
|
| Operating Segments [Member] | Salt [Member] |
|
|
|
|
| Segment Reporting Information [Abstract] |
|
|
|
|
| Sales |
|
274.8
|
292.1
|
|
| Shipping and handling cost |
|
83.0
|
83.0
|
|
| Operating earnings (loss) |
|
45.4
|
82.7
|
|
| Depreciation, depletion and amortization |
|
12.9
|
10.7
|
|
| Total assets (as of end of period) |
|
854.4
|
893.1
|
|
| Operating Segments [Member] | Plant Nutrition, North America [Member] |
|
|
|
|
| Segment Reporting Information [Abstract] |
|
|
|
|
| Sales |
|
49.2
|
51.1
|
|
| Shipping and handling cost |
|
6.7
|
6.4
|
|
| Operating earnings (loss) |
|
7.6
|
5.3
|
|
| Depreciation, depletion and amortization |
|
8.9
|
7.9
|
|
| Total assets (as of end of period) |
|
583.4
|
704.8
|
|
| Operating Segments [Member] | Plant Nutrition South America [Member] |
|
|
|
|
| Segment Reporting Information [Abstract] |
|
|
|
|
| Sales |
|
61.3
|
0.0
|
|
| Shipping and handling cost |
|
4.0
|
0.0
|
|
| Operating earnings (loss) |
|
1.8
|
0.0
|
|
| Depreciation, depletion and amortization |
|
5.3
|
0.0
|
|
| Total assets (as of end of period) |
|
834.7
|
0.0
|
|
| Corporate and Other [Member] |
|
|
|
|
| Segment Reporting Information [Abstract] |
|
|
|
|
| Sales |
|
2.5
|
2.5
|
|
| Shipping and handling cost |
|
0.0
|
0.0
|
|
| Operating earnings (loss) |
|
(13.4)
|
(13.7)
|
|
| Depreciation, depletion and amortization |
|
1.3
|
1.3
|
|
| Total assets (as of end of period) |
|
50.8
|
54.0
|
|
| Intersegment Sales [Member] |
|
|
|
|
| Segment Reporting Information [Abstract] |
|
|
|
|
| Sales |
|
(0.9)
|
(0.2)
|
|
| Intersegment Sales [Member] | Salt [Member] |
|
|
|
|
| Segment Reporting Information [Abstract] |
|
|
|
|
| Sales |
|
0.0
|
0.0
|
|
| Intersegment Sales [Member] | Plant Nutrition, North America [Member] |
|
|
|
|
| Segment Reporting Information [Abstract] |
|
|
|
|
| Sales |
|
0.9
|
0.2
|
|
| Intersegment Sales [Member] | Plant Nutrition South America [Member] |
|
|
|
|
| Segment Reporting Information [Abstract] |
|
|
|
|
| Sales |
|
$ 0.0
|
$ 0.0
|
|
| Produquímica [Member] |
|
|
|
|
| Segment Reporting Information [Line Items] |
|
|
|
|
| Number of primary businesses | Business |
2
|
|
|
|