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Accrued Expenses and Other Current Liabilities (Schedule of Restructuring and Related Costs) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Mar. 31, 2013
Restructuring Reserve [Roll Forward]
Beginning balance	$ 1,521
Expense - charged to accrual	180
Payments and accrual adjustments	(809)
Ending balance	892
Severance-related accruals
Restructuring Reserve [Roll Forward]
Beginning balance	1,105
Expense - charged to accrual	180
Payments and accrual adjustments	(488)
Ending balance	797
Restructuring-related accruals
Restructuring Reserve [Roll Forward]
Beginning balance	416
Expense - charged to accrual	0
Payments and accrual adjustments	(321)
Ending balance	$ 95

Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations.

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