XML 58 R31.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Operating Leases (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Leases, Operating [Abstract] |
Future Minimum Lease Payments | Future minimum lease payments for all operating leases are as follows:
| Leased Facilities and Equipment |  | Leased Vehicles |  | Total
2018 | $ | 96.8 |  |  | 37.0 |  |  | 133.8 |
2019 | 70.9 |  |  | 23.7 |  |  | 94.6 |
2020 | 47.5 |  |  | 10.4 |  |  | 57.9 |
2021 | 25.2 |  |  | 1.9 |  |  | 27.1 |
2022 | 9.3 |  |  | — |  |  | 9.3 |
2023 and thereafter | 2.0 |  |  | — |  |  | 2.0 |
Total minimum lease payments | $ | 251.7 |  |  | 73.0 |  |  | 324.7 |
Rent Expense | Rent expense under all operating leases was as follows:
| Leased Facilities and Equipment |  | Leased Vehicles |  | Total
2017 | $ | 109.5 |  |  | 45.8 |  |  | 155.3 |
2016 | $ | 110.1 |  |  | 42.7 |  |  | 152.8 |
2015 | $ | 105.9 |  |  | 38.2 |  |  | 144.1 |

X
- References No definition available. + Details
Name: | us-gaap_LeasesOperatingAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_ScheduleOfFutureMinimumRentalPaymentsForOperatingLeasesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_ScheduleOfRentExpenseTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration