Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of carrying amount of goodwill by business segment

The following table shows the carrying amount of goodwill by business segment as of March 31, 2015 and December 31, 2014:

	Ammonia			Granular Urea			UAN			Other		Total
	(in millions)
Balance as of December 31, 2014	$	578.7		$	829.6		$	577.0		$	107.5	$	2,092.8
Effect of exchange rate changes	(0.7		)	(1.0		)	(0.7		)	—		(2.4		)
Balance as of March 31, 2015	$	578.0		$	828.6		$	576.3		$	107.5	$	2,090.4

Schedule of the identifiable intangibles and their carrying values presented in other noncurrent assets on consolidated balance sheet

Our identifiable intangibles and carrying values are shown below and are presented in noncurrent other assets on our consolidated balance sheets.

	March 31, 2015							December 31, 2014
	Gross Carrying Amount		Accumulated Amortization			Net		Gross Carrying Amount		Accumulated Amortization			Net
	(in millions)
Intangible assets:
Customer relationships	$	50.0	$	(13.9	)	$	36.1	$	50.0	$	(13.2	)	$	36.8
TerraCair brand	10.0		(10.0		)	—		10.0		(5.0		)	5.0
Total intangible assets	$	60.0	$	(23.9	)	$	36.1	$	60.0	$	(18.2	)	$	41.8

Schedule of estimated future amortization expense

Total estimated amortization expense for the remainder of 2015 and each of the five succeeding fiscal years is as follows:

	Estimated Amortization Expense
	(in millions)
Remainder of 2015	$	2.1
2016	2.8
2017	2.8
2018	2.8
2019	2.8
2020	2.8