Restructuring and Divestiture Charges (Tables)
 6 Months Ended
Mar. 28, 2015
Restructuring and Related Activities [Abstract]  
Charges Taken Related to Restructuring Actions
The following table displays charges taken in fiscal 2015 and 2014 related to these actions and a rollforward of the accrued balances from September 27, 2014 to March 28, 2015:
 
Consolidation of Diagnostics Operations
 
Fiscal 2015 Actions
 
Fiscal 2014 Actions
 
Other Operating Cost Reductions
 
Total    
Fiscal 2014 charges:
 
 
 
 
 
 
 
 
 
Workforce reductions
$
2.9

 
$
—

 
$
29.5

 
$
9.8

 
$
42.2

Non-cash impairment charge
—

 
—

 
—

 
3.1

 
3.1

Facility closure costs
—

 
—

 
—

 
0.6

 
0.6

Other
0.1

 
—

 
—

 
0.2

 
0.3

Fiscal 2014 restructuring charges
$
3.0

 
$
—

 
$
29.5

 
$
13.7

 
$
46.2

Divestiture net charges
 
 
 
 
 
 
 
 
5.5

Fiscal 2014 restructuring and divestiture charges
 
 
 
 
 
 
 
 
$
51.7

Fiscal 2015 charges:
 
 
 
 
 
 
 
 

Workforce reductions
$
0.1

 
$
3.0

 
$
5.9

 
$
0.2

 
$
9.2

Facility closure costs
0.4

 
—

 
0.2

 
0.2

 
0.8

Fiscal 2015 restructuring and divestiture charges
$
0.5

 
$
3.0

 
$
6.1

 
$
0.4

 
$
10.0
Charges Taken Related to Accrued Restructuring Actions
 
Consolidation of Diagnostics Operations
 
Fiscal 2015 Actions
 
Fiscal 2014 Actions
 
Other Operating Cost Reductions  
 
Total    
Rollforward of Accrued Restructuring
 
 
 
 
 
 
 
 
 
Balance as of September 27, 2014
$
3.0

 
$
—

 
$
12.0

 
$
1.9

 
$
16.9

Fiscal 2015 restructuring charges
0.5

 
3.0

 
6.1

 
0.4

 
10.0

Stock-based compensation
—

 
(0.1
)
 
—

 
—

 
(0.1
)
Severance payments
(2.8
)
 
(1.3
)
 
(11.4
)
 
(1.9
)
 
(17.4
)
Other payments
(0.5
)
 
—

 
(0.7
)
 
(0.3
)
 
(1.5
)
Balance as of March 28, 2015
$
0.2

 
$
1.6

 
$
6.0

 
$
0.1

 
$
7.9