CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash provided by operating activities:
Net loss	$ (54.0)	$ (109.8)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	90.5	75.6
Gain on purchase and cancellation of convertible debentures		(4.7)
Loss on disposal of fixed assets	0.1	0.2
Stock-based compensation	1.6	1.4
Long-lived asset and goodwill impairment	57.3	84.7
Equity in loss (earnings) from unconsolidated affiliates	36.1	(27.9)
Distributions from unconsolidated affiliates	30.9	36.5
Unrealized foreign exchange loss	17.0	19.1
Change in fair value of derivative instruments	5.8	(20.0)
Amortization of debt discount and deferred financing cost	7.8	41.7
Change in deferred income taxes	(42.1)	(16.8)
Change in other operating balances
Accounts receivable	(11.5)
Inventory	(4.2)	1.1
Prepayments and other assets	0.6	0.3
Accounts payable	0.3	0.4
Accruals and other liabilities	1.7	10.1
Cash provided by operating activities	137.9	91.9
Cash (used in) provided by investing activities:
Change in restricted cash	0.8	2.6
Reimbursement of costs for third party construction project		4.7
Purchase of property, plant and equipment	(5.7)	(6.5)
Cash (used in) provided by investing activities	(4.9)	0.8
Cash used in financing activities:
Proceeds from term loan facility, net of discount		679.0
Common share repurchases	(0.2)	(13.9)
Preferred share repurchase	(3.1)
Repayment of corporate and project-level debt	(86.3)	(526.4)
Repayment of convertible debentures	(0.1)	(187.4)
Deferred financing costs		(16.2)
Dividends paid to preferred shareholders	(6.5)	(6.4)
Cash used in financing activities:	(96.2)	(71.3)
Net increase in cash and cash equivalents	36.8	21.4
Cash and cash equivalents at beginning of period	85.6	72.4
Cash and cash equivalents at end of period	122.4	93.8
Supplemental cash flow information
Interest paid	44.2	43.3
Income taxes paid, net	$ 3.4	2.8
Accruals for construction in progress		$ 0.4