Other Operating-Net

3 Months Ended

Mar. 31, 2012

Other Operating-Net

Other Operating-Net

8.     Other Operating—Net

        Details of other operating costs are as follows:

	Three months ended March 31,
	2012		2011
	(in millions)
Loss (gain) on disposal of property, plant and equipment and non-core assets—net	$	4.0	$	(32.7	)
Engineering studies		6.4		—
Bartow costs		0.8		0.8
Other		11.1		0.9
	$	22.3	$	(31.0	)

        In February 2011, we sold four of our owned dry product warehouses to GROWMARK and realized a pre-tax gain of $32.5 million, which is included in the first line in the table above.

        Engineering studies provide detailed design work and cost estimates for certain proposed capital projects at our manufacturing complexes.

        Bartow costs consist of provisions for AROs and site maintenance costs at our closed phosphate fertilizer facility in Bartow, Florida. The AROs involve costs of closure and post-closure maintenance and monitoring for the phosphogypsum stack systems. For additional information on our AROs, see Note 9—Asset Retirement Obligations.

        Other includes losses on foreign currency transactions.