Notes Payable (Tables)

12 Months Ended

Jan. 31, 2016

Debt Instrument

Schedule of Long-term Debt Instruments

Notes payable consist of the following:

As of January 31,	2016		2015
4.00% Debentures	$	234,888	$	227,386
Other	5,188		—
Notes payable	$	240,076	$	227,386

Schedule of Maturities of Long-term Debt

Annual maturities of our notes payable are scheduled as follows:

Fiscal years ending January 31,
2019	$	2,000
2020	3,188
Thereafter	252,957
Total	$	258,145

4.00% Debentures due 2031

Debt Instrument

Redemption Prices

We may redeem some or all of the 4.00% Debentures for cash on or after April 5, 2016 at the following redemption prices expressed as a percentage of principal, plus any accrued and unpaid interest:

Period	Redemption Price
Beginning on April 5, 2016 and ending on March 31, 2017	101.143	%
Beginning on April 1, 2017 and ending on March 31, 2018	100.571	%
On April 1, 2018 and thereafter	100.000	%

Principal Amount, Unamortized Debt Premium (Discount), Net Carrying Amount of the Liability Component, and Carrying Amount of the Equity Component

The principal amount, unamortized debt discount, unamortized debt issuance costs, net carrying amount of the liability component, and carrying amount of the equity component of the 4.00% Debentures are as follows:

As of January 31,	2016			2015
Principal amount	$	252,957		$	253,000
Unamortized debt discount	(16,007		)	(22,600		)
Unamortized debt issuance costs	(2,062		)	(3,014		)
Net carrying amount of the liability component	$	234,888		$	227,386
Equity component, net of debt issuance costs	$	42,518		$	42,531

Recognized Amounts in Interest Expense in the Consolidated Statement of Operations

We recognized the following amounts in interest expense in the consolidated statement of operations related to the 4.00% Debentures:

Year ended January 31,	2016		2015		2014
Interest expense at the contractual interest rate	$	10,117	$	10,120	$	10,120
Amortization of debt discount	$	6,593	$	6,139	$	5,715
Amortization of debt issuance costs	$	952	$	952	$	952