Fair Value Measurements (Tables)

3 Months Ended

Dec. 31, 2014

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured at Fair Value on Recurring Basis

Assets and liabilities of the Company measured at fair value on a recurring basis as of December 31, 2014 and September 30, 2014 are summarized as follows (in thousands):

			Fair Value Measurements at Reporting Date Using
Description	December 31, 2014		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Cash equivalents	$	2,848	$	1,950	$	898	$	—
Available-for-sale securities	140,936		—		140,936		—
Foreign exchange contracts	3		—		3		—
Convertible debt securities	2,458		—		—		2,458
Stock warrant	40		—		—		40
Total Assets	$	146,285	$	1,950	$	141,837	$	2,498
Liabilities
Foreign exchange contracts	$	42	$	—	$	42	$	—

    The convertible debt securities and stock are included in "Other assets" in the Consolidated Balance Sheets.

			Fair Value Measurements at Reporting Date Using
Description	September 30, 2014		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Cash equivalents	$	6,404	$	5,166	$	1,238	$	—
Available-for-sale securities	151,342		—		151,342		—
Total Assets	$	157,746	$	5,166	$	152,580	$	—
Liabilities
Foreign exchange contracts	$	58	$	—	$	58	$	—

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation

The following table presents the reconciliation for all assets and liabilities measured and recorded at fair value on a recurring basis using significant unobservable inputs (Level 3) (in thousands):

	Convertible Debt Securities		Stock Warrant		Total
Balance at September 30, 2014	$	—	$	—	$	—
Additions (1)	2,458		40		2,498
Balance at December 31, 2014	$	2,458	$	40	$	2,498