Consolidated Statements of Operations (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Consolidated Statements of Operations
Net sales	$ 4,568.7	$ 4,666.0	$ 3,325.8
Operating costs and expenses:
Cost of sales	4,068.1	3,924.5	2,865.4
Selling, general and administrative expenses	310.5	299.1	203.5
Transaction-related costs and other, net	38.4	35.6	38.9
Long-lived asset impairment charges (recoveries), net	17.6	36.0	(0.8)
Gain (loss) on sale of assets, net			(19.3)
Total operating costs and expenses	4,434.6	4,295.2	3,087.7
Operating income	134.1	370.8	238.1
Interest expense	(76.5)	(77.6)	(57.5)
Loss on redemption and other debt costs		(78.5)	(2.7)
Gain on acquisition of controlling interest		25.9
Foreign exchange loss	(0.6)		(0.6)
Interest income	0.7	1.0	0.4
Income before income taxes	57.7	241.6	177.7
Provision for income taxes	7.5	73.6	57.2
Consolidated net income	50.2	168.0	120.5
Less net income attributable to noncontrolling interest	3.9	2.7
Net income attributable to Axiall	$ 46.3	$ 165.3	$ 120.5
Earnings per share attributable to Axiall:
Basic (in dollars per share)	$ 0.66	$ 2.46	$ 3.47
Diluted (in dollars per share)	$ 0.65	$ 2.44	$ 3.45
Weighted average common shares outstanding:
Basic (in shares)	70.1	67.3	34.5
Diluted (in shares)	70.6	67.8	34.8
Dividends per common share (in dollars per share)	$ 0.64	$ 0.48	$ 0.24