Borrowings (Tables)

6 Months Ended

Apr. 30, 2016

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

The following table provides details of the Company’s long-term debt (in thousands, except years and percentages):

			April 30, 2016					October 31, 2015
	Maturity	Stated Annual Interest Rate	Amount			Effective Interest Rate		Amount			Effective Interest Rate
Convertible Senior Unsecured Notes:
2020 Convertible Notes	2020	1.375%	$	575,000		4.98	%	$	575,000		4.98	%
Senior Unsecured Notes:
2023 Notes	2023	4.625%	300,000			4.83	%	300,000			4.83	%
Capital lease obligations	2016	4.625%	101			4.63	%	298			4.63	%
Total gross long-term debt			875,101					875,298
Unamortized discount			(70,675		)			(79,196		)
Unamortized debt issuance costs			(1,843		)			(2,025		)
Current portion of long-term debt			(101		)			(298		)
Long-term debt, net of current portion			$	802,482				$	793,779

Schedule of Carrying Values of Liability and Equity Components

The carrying values of the liability and equity components of the 2020 Convertible Notes are as follows (in thousands):

	April 30, 2016			October 31, 2015
Principal	$	575,000		$	575,000
Unamortized discount of the liability component	(67,959		)	(76,311		)
Net carrying amount of liability component	$	507,041		$	498,689
Carrying amount of equity component	$	63,164		$	70,765

Schedule Of Debt Maturities

As of April 30, 2016, the Company’s aggregate debt maturities based on outstanding principal were as follows (in thousands):

Fiscal Year	Principal Balances
2016 (remaining six months)	$	101
2017	—
2018	—
2019	—
2020	575,000
Thereafter	300,000
Total	$	875,101