Business Segments and Geographic Information (Tables)
 6 Months Ended
Mar. 28, 2015
Segment Reporting [Abstract]  
Segment Information
Segment information is as follows:
 
Three Months Ended
 
Six Months Ended
 
March 28,
2015
 
March 29,
2014
 
March 28,
2015
 
March 29,
2014
Total revenues:
 
 
 
 
 
 
 
Diagnostics
$
296.7

 
$
290.8

 
$
600.8

 
$
576.5

Breast Health
255.5

 
238.7

 
497.5

 
465.2

GYN Surgical
79.1

 
72.0

 
163.5

 
150.9

Skeletal Health
24.2

 
23.5

 
46.5

 
44.8

 
$
655.5


$
625.0


$
1,308.3


$
1,237.4

Operating income:
 
 
 
 
 
 
 
Diagnostics
$
27.1

 
$
15.2

 
$
55.3

 
$
20.0

Breast Health
75.4

 
25.8

 
135.9

 
69.7

GYN Surgical
4.5

 
6.6

 
17.7

 
17.7

Skeletal Health
2.8

 
2.6

 
4.4

 
4.1

 
$
109.8


$
50.2

 
$
213.3

 
$
111.5

Depreciation and amortization:
 
 
 
 
 
 
 
Diagnostics
$
91.9

 
$
94.6

 
$
180.5

 
$
186.8

Breast Health
8.3

 
9.2

 
15.9

 
18.5

GYN Surgical
26.0

 
26.0

 
51.5

 
52.1

Skeletal Health
0.4

 
0.2

 
0.7

 
0.5

 
$
126.6


$
130.0


$
248.6


$
257.9

Capital expenditures:
 
 
 
 
 
 
 
Diagnostics
$
11.4

 
$
14.8

 
$
26.2

 
$
25.1

Breast Health
3.0

 
2.3

 
5.5

 
4.1

GYN Surgical
2.4

 
2.2

 
4.4

 
4.0

Skeletal Health
0.1

 
—

 
0.2

 
0.2

Corporate
1.8

 
2.0

 
3.4

 
4.4

 
$
18.7


$
21.3


$
39.7


$
37.8

 
 
March 28,
2015
 
September 27,
2014
Identifiable assets:
 
 
 
Diagnostics
$
4,208.2

 
$
4,383.5

Breast Health
838.0

 
859.8

GYN Surgical
1,698.2

 
1,748.2

Skeletal Health
24.0

 
26.1

Corporate
1,263.4

 
1,397.1

 
$
8,031.8

 
$
8,414.7
Revenues by Geography
Revenues by geography as a percentage of total revenues were as follows:
 
 
Three Months Ended
 
Six Months Ended
 
March 28,
2015
 
March 29,
2014
 
March 28,
2015
 
March 29,
2014
United States
75
%
 
74
%
 
75
%
 
74
%
Europe
12
%
 
15
%
 
12
%
 
15
%
Asia-Pacific
9
%
 
7
%
 
9
%
 
7
%
All others
4
%
 
4
%
 
4
%
 
4
%
 
100
%
 
100
%
 
100
%
 
100
%