Goodwill

3 Months Ended

Mar. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

Goodwill

The changes in the carrying amount of goodwill, by reporting unit, are as follows:

	Phosphates		Potash		International Distribution		Total
Balance as of December 31, 2016	$	492.4	$	1,013.6	$	124.9	$	1,630.9
Foreign currency translation	—		7.0		1.2		8.2
Balance as of March 31, 2017	$	492.4	$	1,020.6	$	126.1	$	1,639.1

We review goodwill for impairment annually in October or at any time events or circumstances indicate that the carrying value may not be fully recoverable, which is based on our accounting policy and GAAP.