v3.4.0.3

Segment Information - Schedule of Segment Information (Detail) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2016 | Mar. 31, 2015
Segment Reporting Information [Line Items] |  |
Net sales | $ 699.2 | $ 784.6
Operating income (loss) | (35.2) | 22.1
Interest expense, net | (17.0) | (17.6)
Debt refinancing costs |  | 3.2
Foreign exchange loss | (0.9) | (0.7)
Income from continuing operations before income taxes | (53.1) | 0.6
Chlorovinyls [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales | 556.1 | 648.4
Operating income (loss) | (9.6) |
Building Products [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales | 143.1 | 136.2
Operating income (loss) | 4.1 |
Intersegment Elimination [Member] | Chlorovinyls [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales | 55.3 | 56.1
Intersegment Elimination [Member] | Building Products [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales | 0.1 |
Intersegment Eliminations Unallocated and Other [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales | (55.4) | (56.1)
Operating income (loss) | (29.7) | (18.2)
Operating Segments [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales | 699.2 | 784.6
Operating income (loss) | (35.2) |
Operating Segments [Member] | Chlorovinyls [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales | 611.4 | 704.5
Operating income (loss) |  | 43.7
Operating Segments [Member] | Building Products [Member] |  |
Segment Reporting Information [Line Items] |  |
Net sales | $ 143.2 | 136.2
Operating income (loss) |  | $ (3.4)

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