Quantum Corporation Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Carrying Value and Fair Value of Financial Liabilities (Details)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Carrying Value and Fair Value of Financial Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Carrying Value	$ 153,735us-gaap_LongTermDebt
Convertible subordinated debt
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Carrying Value	153,735	203,735
Level 2 fair value measurement \| Convertible subordinated debt
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Fair Value	$ 166,551	$ 203,820

- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References + Details