Derivative Instruments and Hedging Activities (Tables)

9 Months Ended

Jun. 30, 2014

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Fair value of derivative instruments

The following tables set forth certain information regarding our derivative instruments designated as cash flow hedging instruments:

		Fair Value, Asset of Derivative Instruments
Derivative Instrument	Balance Sheet Location	June 30, 2014		June 30, 2013		September 30, 2013
		(in thousands)
Foreign currency forwards	Other assets, net	$	1,496	$	2,395	$	1,813

Derivative financial instruments loss recognized in other comprehensive income

	Amount of Loss (Gain) Recognized in Other Comprehensive Income on Derivatives (Effective Portion)
	Three Months Ended June 30,					Nine Months Ended June 30,
Derivative Instrument	2014		2013			2014		2013
	(in thousands)
Foreign currency forwards	$	497	$	(2,388	)	$	1,169	$	(2,388	)

Derivative financial instruments loss recognized in income

		Amount of Loss (Gain) on Derivatives Reclassified into Income from Accumulated Other Comprehensive Income (Effective Portion)
		Three Months Ended June 30,					Nine Months Ended June 30,
Derivative Instrument	Location of Loss	2014		2013			2014		2013
		(in thousands)
Foreign currency forwards	Interest expense, net / Other (income) expense	$	272	$	(1,888	)	$	814	$	(1,888	)

Information regarding derivative instruments not designated as hedging instruments

The following tables set forth certain information regarding our derivative instruments not designated as hedging instruments:

		Fair Value Asset (Liability) of Derivative Instruments
Derivative Instrument	Balance Sheet Location	June 30, 2014			June 30, 2013		September 30, 2013
		(in thousands)
Convertible notes hedges	Other assets, net	$	46,454		$	—	$	—
Convertible notes embedded derivative	Long-term debt, less current maturities	(46,454		)	—		—
	Net balance sheet asset (liability)	$	—		$	—	$	—
Foreign currency forwards	Prepaid expenses and other assets	$	667		$	—	$	—
Foreign currency forwards	Other current liabilities	(378		)	—		—
	Net balance sheet asset (liability)	$	289		$	—	$	—

		Amount of Unrealized Gain on Derivatives
		Three Months Ended June 30,				Nine Months Ended June 30,
Derivative Instrument	Location of Gain	2014		2013		2014		2013
		(in thousands)
Foreign currency forwards	Other (income) expense	$	289	$	—	$	289	$	—