Accrued Expenses and Other Current Liabilities (Schedule of Restructuring and Related Costs) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Mar. 31, 2014
Restructuring Reserve [Roll Forward]
Beginning balance	$ 601
Expense - charged to accrual	812
Payments and accrual adjustments	(828)
Ending balance	585
Severance-related accruals
Restructuring Reserve [Roll Forward]
Beginning balance	523
Expense - charged to accrual	812
Payments and accrual adjustments	(750)
Ending balance	585
Restructuring-related accruals
Restructuring Reserve [Roll Forward]
Beginning balance	78
Expense - charged to accrual	0
Payments and accrual adjustments	(78)
Ending balance	$ 0