Year ended December 31
(Dollars in millions, except percentages; unaudited)
2015
2014
Change
Sales
Commercial / Industrial
$ 1,184.8
$ 1,228.1
(4%)
Defense
477.4
489.9
(3%)
Power
543.5
525.2
3%

Total sales
$ 2,205.7
$ 2,243.1
(2%)
Operating Income (expense)
Commercial / Industrial
$ 171.5
$ 178.7
(4%)
Defense
98.9
82.6
20%
Power
75.0
51.4
46%

Total segments
$ 345.4
$ 312.7
10%

Corporate and other
(34.8)
(30.3)
(15%)

Total operating Income
$ 310.6
$ 282.4
10%
Operating margins
Commercial / Industrial
14.5%
14.5%
Defense
20.7%
16.9%
Power
13.8%
9.8%
Segment margins
15.7%
13.9%

Total operating margins
14.1%
12.6%

Note: Amounts may not add to the total due to rounding.

Sales by Segment vs. End Market (2015)