Acquisition of El Pilar mine (Tables)

9 Months Ended

Sep. 30, 2015

Acquisition of El Pilar mine

Schedule of recognized amounts of identifiable assets acquired and liabilities assumed

Recognized amounts of identifiable assets acquired and liabilities assumed (in millions)

Financial assets	$	0.1
Mineral resources	23.4
Property, plant and equipment	10.5
Financial liabilities	(3.6		)
Total identifiable net assets	$	30.4
Goodwill	$	70.0

Schedule of changes in the carrying amount of goodwill

The changes in the carrying amount of goodwill for the nine months ended September 30, 2015 are as follows (in millions):

Balance as of January 1, 2015	$	17.0
Goodwill acquired	70.0
Impairment losses	—
Balance as of September 30, 2015	$	87.0