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Restructuring and Other Charges (Tables)
 12 Months Ended
Sep. 30, 2016
Restructuring and Related Activities [Abstract]  
Activity Related to Restructuring Accruals
The following is a summary of activity related to the Company’s restructuring and other charges, excluding amounts related to the discontinued operations, for the fiscal years ended September 30, 2016, 2015 and 2014 (in thousands):
 
 
Fiscal Year 2016 Activity
 
 
Balance
September 30,
2015
 
Expenses
 
Payments
 
Balance
September 30,
2016
Facility and other contract termination costs
 
$
433

 
$
25

 
$
(458
)
 
$
—

Workforce-related termination benefits
 
1,640

 
12,014

 
(7,715
)
 
5,939

 
 
$
2,073

 
$
12,039

 
$
(8,173
)
 
$
5,939

 
 
 
 
 
 
 
 
 
 
 
Fiscal Year 2015 Activity
 
 
Balance
September 30,
2014
 
Expenses
 
Payments
 
Balance
September 30,
2015
Facility and other contract termination costs
 
$
71

 
$
1,204

 
$
(842
)
 
$
433

Workforce-related termination benefits
 
3,404

 
3,213

 
(4,977
)
 
1,640

 
 
$
3,475

 
$
4,417

 
$
(5,819
)
 
$
2,073

 
 
 
 
 
 
 
 
 
 
 
Fiscal Year 2014 Activity
 
 
Balance
September 30,
2013
 
Expenses
 
Payments
 
Balance
September 30,
2014
Facility and other contract termination costs
 
$
155

 
$
583

 
$
(667
)
 
$
71

Workforce-related termination benefits
 
$
1,257

 
$
5,706

 
$
(3,559
)
 
3,404

 
 
$
1,412

 
$
6,289

 
$
(4,226
)
 
$
3,475