ACQUISITION
6 Months Ended
Jun. 30, 2017
Acquisition [Abstract]  
ACQUISITION
ACQUISITION
On October 5, 2015 (the Closing Date), we completed the acquisition (the Acquisition) from The Dow Chemical Company (TDCC) of its U.S. Chlor Alkali and Vinyl, Global Chlorinated Organics and Global Epoxy businesses (collectively, the Acquired Business), whose operating results are included in the accompanying financial statements since the Closing Date.

We incurred costs related to the integration of the Acquired Business which consisted of advisory, legal, accounting and other professional fees of $4.4 million and $16.3 million for the three months ended June 30, 2017 and 2016, respectively, and $11.4 million and $26.5 million for the six months ended June 30, 2017 and 2016, respectively.

For the three months ended June 30, 2016, payments of $69.5 million were made related to certain acquisition-related liabilities, including the final working capital adjustment.