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OTHER ASSETS | 3 Months Ended
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Mar. 31, 2017
Other Assets [Abstract] |
OTHER ASSETS | OTHER ASSETS Included in other assets were the following:
| March 31, 2017 |  | December 31, 2016 |  | March 31, 2016
| ($ in millions)
Investments in non-consolidated affiliates | $ | 27.2 |  |  | $ | 26.7 |  |  | $ | 25.2 |
Deferred debt issuance costs | 3.0 |  |  | 2.6 |  |  | 3.1 |
Tax-related receivables | 16.1 |  |  | 17.5 |  |  | 14.4 |
Interest rate swaps | 8.3 |  |  | 7.7 |  |  | — |
Supply contracts | 560.4 |  |  | 566.7 |  |  | 402.2 |
Other | 22.2 |  |  | 23.2 |  |  | 18.9 |
Other assets | $ | 637.2 |  |  | $ | 644.4 |  |  | $ | 463.8 |
In connection with the Acquisition, Olin and TDCC have agreed to enter into arrangements for the long-term supply of ethylene by TDCC to Olin, pursuant to which, among other things, Olin has made upfront payments of $433.5 million upon the Closing Date in order to receive ethylene at producer economics and for certain reservation fees for the option to obtain additional future ethylene supply at producer economics. The fair value of the long-term supply contracts recorded as of the Closing Date was a long-term asset of $416.1 million which will be amortized over the life of the contracts as ethylene is received. During 2016, one of the options to obtain additional future ethylene supply at producer economics was exercised by us and, accordingly, additional payments will be made to TDCC of approximately $209.4 million in 2017, which will increase the value of the long-term asset. On February 27, 2017, we exercised the remaining option to obtain additional future ethylene supply and in connection with the exercise we also secured a long-term customer arrangement. Consequently, additional payments will be made to TDCC of between $425 million and $465 million on or about the fourth quarter of 2020, which will increase the value of the long-term asset. During 2016, Olin entered into arrangements to increase our supply of low cost electricity. In conjunction with these arrangements, Olin made payments of $175.7 million in 2016. The payments made under these arrangements will be amortized over the life of the contracts as electrical power is received. Amortization expense of $6.3 million and $4.3 million was recognized within cost of goods sold for the three months ended March 31, 2017 and 2016, respectively, related to these supply contracts and is reflected in depreciation and amortization on the condensed statements of cash flows. The long-term supply contracts are monitored for impairment each reporting period.

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- Definition The entire disclosure for other assets. This disclosure includes other current assets and other noncurrent assets. + References No definition available. + Details
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