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Leases (Tables) | 12 Months Ended
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Dec. 31, 2017
Leases [Abstract] |
Schedule of Rent Expense | 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 |
Minimum Obligations Under Operating Lease Agreements | 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 |
Schedule of Future Minimum Lease Payments for Capital Leases | 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 Tabular disclosure of future minimum lease payments as of the date of the latest balance sheet presented, in aggregate and for each of the five years succeeding fiscal years, with separate deductions from the total for the amount representing executor costs, including any profit thereon, included in the minimum lease payments and for the amount of the imputed interest necessary to reduce the net minimum lease payments to present value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84164817&loc=d3e45280-112737 + Details
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- Definition Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717 + Details
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- Definition Tabular disclosure of rental expense from operating leases for each period for which an income statement is presented with separate amounts for minimum rentals, contingent rentals, and sublease rentals. Rental payments under leases with terms of a month or less that were not renewed need not be included. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41499-112717 + Details
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