Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

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Including the current and noncurrent portions, carrying value at the balance sheet date of a financial instrument used to receive debt funding on a regular basis with original maturities ranging from 5-10 years.

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LONG-TERM DEBT - SUMMARY (Details) - USD ($) $ in Thousands	Jul. 31, 2016	Jan. 31, 2016	Jun. 18, 2014	Mar. 07, 2014	Feb. 03, 2014
Debt Instrument
Unamortized debt discounts and issuance costs	$ 67,021	$ 73,055
Total debt	745,100	738,087
Current maturities of long-term debt	5,186	2,104
Long-term debt	739,914	735,983
1.50% Convertible Senior Notes
Debt Instrument
Principal Amount - 1.50% Convertible Senior Notes	400,000	400,000	$ 400,000
February 2014 Term Loans
Debt Instrument
Gross term loan borrowings	130,729	130,729			$ 300,000
March 2014 Term Loans
Debt Instrument
Gross term loan borrowings	280,413	280,413		$ 643,500
Other debt
Debt Instrument
Other debt	$ 979	$ 0