Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2014

Goodwill and Other Intangible Assets

Schedule of carrying amount of goodwill by business segment

	Nitrogen			Phosphate		Total
	(in millions)
Balance at December 31, 2013	$	2,095.8		$	—	$	2,095.8
Impact from changes in foreign exchange		(1.2	)		—		(1.2	)
Balance at March 31, 2014	$	2,094.6		$	—	$	2,094.6

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

	At March 31, 2014							At December 31, 2013
	Gross Carrying Amount		Accumulated Amortization			Net		Gross Carrying Amount		Accumulated Amortization			Net
						(in millions)
Intangible assets:
Customer Relationships	$	50.0	$	(11.1	)	$	38.9	$	50.0	$	(10.4	)	$	39.6
TerraCair Brand		10.0		(4.1	)		5.9		10.0		(3.8	)		6.2
Total intangible assets	$	60.0	$	(15.2	)	$	44.8	$	60.0	$	(14.2	)	$	45.8

Schedule of estimated future amortization expense

	Estimated Amortization Expense
	(in millions)
Remainder of 2014	$	3.0
2015		4.0
2016		4.0
2017		4.0
2018		4.0
2019		2.8
	$	21.8