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Restructuring and Other Charges (Tables)
 3 Months Ended
Dec. 31, 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 for the three months ended December 31, 2016 and 2015 (in thousands):
 
Activity — Three Months Ended December 31, 2016
 
Balance at
September 30,
2016
 
Expenses
 
Payments
 
Balance at
December 31,
2016
Total restructuring liabilities related to workforce termination benefits
$
5,939

 
$
975

 
$
(3,687
)
 
$
3,227

 
 
 
 
 
 
 
 
 
Activity — Three Months Ended December 31, 2015
 
Balance at
September 30,
2015
 
Expenses
 
Payments
 
Balance at
December 31,
2015
Facilities and other contract termination costs
$
433

 
$
(135
)
 
$
(298
)
 
$
—

Workforce-related termination benefits
1,640

 
1,610

 
(1,596
)
 
1,654

Total restructuring liabilities
$
2,073

 
$
1,475

 
$
(1,894
)
 
$
1,654