Read the following texts and table with financial data from an S&P 500 earnings report carefully.Based on the question-answer history (if provided), answer the last question. The answer may require mathematical calculation based on the data provided.


contractual obligations fis 2019 long-term contractual obligations generally include its long-term debt , interest on long-term debt , lease payments on certain of its property and equipment and payments for data processing and maintenance . for more descriptive information regarding the company's long-term debt , see note 13 in the notes to consolidated financial statements . the following table summarizes fis 2019 significant contractual obligations and commitments as of december 31 , 2012 ( in millions ) : less than 1-3 3-5 more than total 1 year years years 5 years . <table class='wikitable'><tr><td>1</td><td>-</td><td>total</td><td>less than 1 year</td><td>1-3 years</td><td>3-5 years</td><td>more than 5 years</td></tr><tr><td>2</td><td>long-term debt</td><td>$ 4385.5</td><td>$ 153.9</td><td>$ 757.1</td><td>$ 2274.5</td><td>$ 1200.0</td></tr><tr><td>3</td><td>interest ( 1 )</td><td>1137.6</td><td>200.4</td><td>372.9</td><td>288.8</td><td>275.5</td></tr><tr><td>4</td><td>operating leases</td><td>226.6</td><td>55.0</td><td>96.2</td><td>46.4</td><td>29.0</td></tr><tr><td>5</td><td>data processing and maintenance</td><td>246.7</td><td>131.7</td><td>78.9</td><td>28.4</td><td>7.7</td></tr><tr><td>6</td><td>other contractual obligations ( 2 )</td><td>100.7</td><td>18.8</td><td>52.0</td><td>10.6</td><td>19.3</td></tr><tr><td>7</td><td>total</td><td>$ 6097.1</td><td>$ 559.8</td><td>$ 1357.1</td><td>$ 2648.7</td><td>$ 1531.5</td></tr></table> ( 1 ) these calculations assume that : ( a ) applicable margins remain constant ; ( b ) all variable rate debt is priced at the one-month libor rate in effect as of december 31 , 2012 ; ( c ) no new hedging transactions are effected ; ( d ) only mandatory debt repayments are made ; and ( e ) no refinancing occurs at debt maturity . ( 2 ) amount includes the payment for labor claims related to fis' former item processing and remittance operations in brazil ( see note 3 to the consolidated financial statements ) and amounts due to the brazilian venture partner . fis believes that its existing cash balances , cash flows from operations and borrowing programs will provide adequate sources of liquidity and capital resources to meet fis 2019 expected short-term liquidity needs and its long-term needs for the operations of its business , expected capital spending for the next 12 months and the foreseeable future and the satisfaction of these obligations and commitments . off-balance sheet arrangements fis does not have any off-balance sheet arrangements . item 7a . quantitative and qualitative disclosure about market risks market risk we are exposed to market risks primarily from changes in interest rates and foreign currency exchange rates . we use certain derivative financial instruments , including interest rate swaps and foreign currency forward exchange contracts , to manage interest rate and foreign currency risk . we do not use derivatives for trading purposes , to generate income or to engage in speculative activity . interest rate risk in addition to existing cash balances and cash provided by operating activities , we use fixed rate and variable rate debt to finance our operations . we are exposed to interest rate risk on these debt obligations and related interest rate swaps . the notes ( as defined in note 13 to the consolidated financial statements ) represent substantially all of our fixed-rate long-term debt obligations . the carrying value of the notes was $ 1950.0 million as of december 31 , 2012 . the fair value of the notes was approximately $ 2138.2 million as of december 31 , 2012 . the potential reduction in fair value of the notes from a hypothetical 10 percent increase in market interest rates would not be material to the overall fair value of the debt . our floating rate long-term debt obligations principally relate to borrowings under the fis credit agreement ( as also defined in note 13 to the consolidated financial statements ) . an increase of 100 basis points in the libor rate would increase our annual debt service under the fis credit agreement , after we include the impact of our interest rate swaps , by $ 9.3 million ( based on principal amounts outstanding as of december 31 , 2012 ) . we performed the foregoing sensitivity analysis based on the principal amount of our floating rate debt as of december 31 , 2012 , less the principal amount of such debt that was then subject to an interest rate swap converting such debt into fixed rate debt . this sensitivity analysis is based solely on .
Question: as of december 31, 2012, what amount of the long-term debt is included in the current liabilities section of the balance sheet?
Answer: 153.9
Question: and what is the total of that long-term debt?

4385.5