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Leases | 12 Months Ended
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Dec. 31, 2017
Leases [Abstract] |
Leases | Leases The Company has various operating leases under which the following amounts were expensed (in millions):
| Years Ended December 31,
| 2017 |  | 2016 |  | 2015
Real estate | $ | 32.2 |  |  | $ | 31.8 |  |  | $ | 31.5 |
Office and other equipment | 2.8 |  |  | 1.2 |  |  | 1.7 |
| 35.0 |  |  | 33.0 |  |  | 33.2 |
Sublease income | (0.4 | ) |  | (0.5 | ) |  | (0.5 | )
Total | $ | 34.6 |  |  | $ | 32.5 |  |  | $ | 32.7 |
As of December 31, 2017, minimum obligations under existing agreements referred to above are as follows (in millions):
2018 |  | $ | 32.6 |
2019 |  | 27.9 |
2020 |  | 21.2 |
2021 |  | 16.0 |
2022 |  | 12.7 |
After 2022 |  | 56.3 |
Total |  | $ | 166.7 |
The future minimum rent payments in the above table have been reduced by minimum future sublease rental inflows in the aggregate amount of $1.4 million as of December 31, 2017. Many of the Company's real estate leases require the Company to pay or reimburse operating expenses, such as real estate taxes, insurance and maintenance expenses. Such obligations are not reflected in the table of minimum future obligations appearing immediately above. The Company operates from various leased premises under operating leases with terms of up to 15 years. A number of the Company's operating leases contain renewal options. These renewal options vary, but the majority include clauses for renewal for various term lengths at various rates, both fixed and market. Capital Leases As of December 31, 2017 and 2016, the Company has gross assets under capital leases of $107.4 million and $109.9 million, respectively. Capital lease obligations consist primarily of service vehicle leases with periods expiring at various dates through 2020. As of December 31, 2017, future minimum capital lease payments for existing agreements referred to above are as follows (in millions):
2018 |  | $ | 22.1 |
2019 |  | 23.2 |
2020 |  | 12.0 |
Total minimum lease payments |  | 57.3 |
Less amount representing interest (at a weighted-average interest rate of 4.02%) |  | (3.6 | )
Total capital lease obligations |  | $ | 53.7 |

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- Definition The entire disclosure for lessee entity's leasing arrangements including, but not limited to, all of the following: (a.) The basis on which contingent rental payments are determined, (b.) The existence and terms of renewal or purchase options and escalation clauses, (c.) Restrictions imposed by lease agreements, such as those concerning dividends, additional debt, and further leasing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=77888251 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -URI http://asc.fasb.org/topic&trid=2208923 + Details
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