CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
OPERATING ACTIVITIES
Net income (loss)	$ 13.8	$ (48.2)	$ (4.5)	$ (61.9)
Items not affecting cash:
Goodwill impairment	0	47.0	0	47.0
Change in fair value of common stock purchase warrants	0	0	0	(1.8)
Depreciation, depletion and amortization	14.4	17.0	44.7	48.1
Accretion expense	0.6	0.5	2.0	1.6
Amortization of finance fees	0	0.9	0	2.1
Stock-based compensation	1.6	1.5	4.9	4.8
Product inventory write downs	11.8	21.6	23.4	42.5
Deferred income tax benefit	1.4	(11.7)	(8.9)	(34.4)
Unrealized loss on derivative instruments	0	(0.4)	0	1.7
Unrealized foreign exchange (gain) loss	(24.3)	(20.0)	30.0	(21.4)
Change in working capital accounts	0.2	(4.9)	(11.6)	(42.3)
Cash generated by (used in) operating activities	19.5	3.3	80.0	(14.0)
INVESTING ACTIVITIES
Capital expenditures	(112.9)	(203.7)	(387.5)	(584.9)
Capitalized interest payments	(19.1)	(1.3)	(54.5)	(14.4)
Restricted cash	3.1	(7.2)	14.3	4.7
Disposition of assets	0	0	0.2	0
Reclamation refunds	27.9	0	28.1	24.3
Reclamation deposits	(6.8)	0	(7.0)	0
Cash used by investing activities	(107.8)	(212.2)	(406.4)	(570.3)
FINANCING ACTIVITIES
Proceeds from the Gold Stream Arrangement	12.9	120.0	111.9	210.0
Proceeds from senior unsecured note issuance	0	0	0	200.0
Proceeds from tangible equity units	0	0	0	220.0
Proceeds from sales leaseback transactions	0	49.3	37.8	49.3
Down payments on capital lease transactions	0	0	(4.6)	0
Repayments of sale leaseback obligations	(3.5)	0	(7.6)	0
Repayments of capital lease obligations	(1.5)	(6.2)	(5.5)	(7.4)
Repayments of long-term debt	(4.6)	(4.4)	(12.8)	(6.6)
Issuance costs related to equity portion of tangible equity units	0	0	0	6.4
Debt issuance costs	0	(3.0)	0	(11.2)
Proceeds (costs) from issuance of common shares, net	0.7	0.6	0.9	(0.3)
Cash generated by financing activities	4.0	156.3	120.1	647.4
EFFECT OF EXCHANGE RATE CHANGES ON CASH	4.3	2.8	2.3	2.1
(DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(80.0)	(49.8)	(204.0)	65.2
Cash and cash equivalents, beginning of period			526.8	294.5
Cash and cash equivalents, end of period	$ 322.8	$ 359.7	$ 322.8	$ 359.7