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Leases | 12 Months Ended
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Dec. 31, 2016
Leases [Abstract] |
Leases |
11. | LEASES
We lease office space in various buildings for our own use. The terms of these non-cancelable operating leases provide for us to pay base rent and a share of operating expenses and real estate taxes in excess of defined amounts. We also lease equipment under both operating and capital lease arrangements. Minimum future lease payments (e.g., base rent for leases of office space) due in each of the next five years and thereafter, as of December 31, 2016, are presented in the below table.
($ in millions) |
2017 | $ | 158.4 |
2018 | 146.8 |
2019 | 126.8 |
2020 | 102.8 |
2021 | 88.7 |
Thereafter | 246.9 |
Total | $ | 870.4 |
As of December 31, 2016, we have accrued liabilities related to excess lease space of $1.6 million. The total of minimum rentals to be received in the future as sublessor under noncancelable operating subleases was $11.9 million as of December 31, 2016. Total rent expense, including office space and other rentals, was $170.4 million, $141.1 million and $141.0 million for the years ended December 31, 2016, 2015 and 2014, respectively.

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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 840 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6452660&loc=d3e36991-112694 Reference 3: 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=6453985&loc=d3e41499-112717 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 55 -Paragraph 40 -Subparagraph (Note 1,3) -URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248 Reference 6: 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=6453985&loc=d3e41502-112717 + Details
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