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Segment Information (Tables)
 3 Months Ended
Mar. 31, 2019
Segment Reporting Information, Revenue for Reportable Segment [Abstract]  
Schedule Of Segment Reporting Information

Three Months Ended March 31, 2019
 
Floaters
 
Jackups
 
Other
 
Operating Segments Total
 
Reconciling Items
 
Consolidated Total
Revenues
$
232.7

 
$
157.0

 
$
16.2

 
$
405.9

 
$
—

 
$
405.9

Operating expenses
 
 
 
 
 
 
 
 
 
 
 
Contract drilling (exclusive of depreciation)
181.8

 
135.4

 
15.4

 
332.6

 
—

 
332.6

Depreciation
84.8

 
36.9

 
—

 
121.7

 
3.3

 
125.0

General and administrative
—

 
—

 
—

 
—

 
29.6

 
29.6

Operating income (loss)
$
(33.9
)
 
$
(15.3
)
 
$
.8

 
$
(48.4
)
 
$
(32.9
)
 
$
(81.3
)
Property and equipment, net
$
9,383.6

 
$
3,091.7

 
$
—

 
$
12,475.3

 
$
33.6

 
$
12,508.9


Three Months Ended March 31, 2018
 
Floaters
 
Jackups
 
Other
 
Operating Segments Total
 
Reconciling Items
 
Consolidated Total
Revenues
$
259.0

 
$
143.4

 
$
14.6

 
$
417.0

 
$
—

 
$
417.0

Operating expenses
 
 
 
 
 
 
 
 
 
 
 
Contract drilling (exclusive of depreciation)
185.1

 
126.9

 
13.2

 
325.2

 
—

 
325.2

Depreciation
75.3

 
36.5

 
—

 
111.8

 
3.4

 
115.2

General and administrative
—

 
—

 
—

 
—

 
27.9

 
27.9

Operating income (loss)
$
(1.4
)
 
$
(20.0
)
 
$
1.4

 
$
(20.0
)
 
$
(31.3
)
 
$
(51.3
)
Property and equipment, net
$
9,636.9

 
$
3,154.3

 
$
—

 
$
12,791.2

 
$
43.6

 
$
12,834.8
Schedule Of Geographic Distribution Of Rigs By Segment
As of March 31, 2019, the geographic distribution of our drilling rigs by reportable segment was as follows:
 
Floaters
 
Jackups
 
Total(1)
North & South America
8
 
4
 
12
Europe & Mediterranean
6
 
11
 
17
Middle East & Africa
4
 
11
 
15
Asia & Pacific Rim
4
 
7
 
11
Asia & Pacific Rim (under construction)(2)
2
 
1
 
3
Held-for-Sale(3)
—
 
1
 
1
Total
24
 
35
 
59


(1) 
We provide management services on two rigs owned by third-parties in the U.S. Gulf of Mexico which are not included in the table above.
(2) 
In April 2019, we accepted delivery of ENSCO 123 which will be presented within jackups beginning in the second quarter.
(3) 
One jackup classified as held-for-sale as of March 31, 2019 was sold in April 2019.