Accrued Expenses and Other Current Liabilities (Schedule of Restructuring and Related Costs) (Details) (Severance-related accruals, USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2014
Severance-related accruals
Restructuring Reserve [Roll Forward]
Balance as of September 30, 2014	$ 1,317
Expense - charged to accrual	965
Payments and accrual adjustments	(221)
Balance as of December 31, 2014	$ 2,061