Income Taxes (Details) (USD $)	3 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Sep. 30, 2013
Income Tax Disclosure [Abstract]
Effective income tax rate	9.90%	33.40%
Discrete income tax (benefit)	$ 200,000	$ 100,000
Percentage points that reduced effective tax rate	(28.1)	(7.8)
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized tax benefits, beginning balance	3,332,000
Decreases related to expiration of statute of limitations	(160,000)
Unrecognized tax benefits, ending balance	3,172,000
Unrecognized tax benefits that would impact effective tax rate	3,200,000
Income tax penalties and interest accrued	500,000		600,000
Accumulated undistributed foreign earnings	25,300,000
Minimum [Member]
Income Tax Contingency [Line Items]
Estimated unrecognized deferred tax liability	1,500,000
Maximum [Member]
Income Tax Contingency [Line Items]
Estimated unrecognized deferred tax liability	$ 2,500,000