Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

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- Definition

Maximum contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
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- Definition

Minimum contractual interest rate for funds borrowed, under the debt agreement.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Latest date the outstanding debt instruments are required to be repaid, in CCYY-MM-DD format.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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- Definition

Earliest date the outstanding debt instruments are required to be repaid, in CCYY-MM-DD format.

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-Publisher FASB
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- Definition

Represents the aggregate of total long-term debt, including current maturities and short-term debt.

+ References

No definition available.

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- Definition

Amount of interest capitalized during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Allowance for Funds Used during Construction
-URI http://asc.fasb.org/extlink&oid=6504829

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense for debt.

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

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- 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.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition

Weighted average interest rate of long-term debt outstanding.

+ References

No definition available.

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- Definition

Carrying amount of collateralized debt obligations with maturities initially due after one year or beyond the operating cycle, if longer, excluding the current portion. Obligations include, but not limited to, mortgage loans, chattel loans, and other borrowings secured by assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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Debt (Narrative) (Details) $ in Thousands, € in Millions	3 Months Ended		9 Months Ended
Debt (Narrative) (Details) $ in Thousands, € in Millions	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2015 EUR (€)	Dec. 31, 2015 USD ($)	Mar. 31, 2015 USD ($)
Debt Instrument [Line Items]
Long-term debt						$ 375,308	$ 275,053
Weighted average interest rate					4.30%	4.30%	4.40%
Interest cost incurred	$ 5,400	$ 3,800	$ 15,700	$ 13,100
Interest capitalized	$ 1,300	$ 500	$ 3,200	$ 1,300
Mainland China [Member]
Debt Instrument [Line Items]
Long-term debts secured by restricted cash deposits						$ 61,600
Floating interest rates, minimum			1.22%
Floating interest rates, maximum			6.00%
Maturity dates, start			Jan. 01, 2016
Maturity dates, end			Dec. 01, 2018
Long-term debt						221,010	$ 154,393
Hong Kong [Member]
Debt Instrument [Line Items]
Long-term debts secured by restricted cash deposits						56,900
Maturity dates, start			Feb. 01, 2016
Maturity dates, end			Dec. 01, 2017
Long-term debt						78,031	93,099
France [Member]
Debt Instrument [Line Items]
Long-term debts secured by restricted cash deposits						35,700
Maturity dates, start			Jan. 01, 2019
Maturity dates, end			Sep. 01, 2022
Long-term debt						76,267	$ 27,561
Debts Having Floating Interest Rates [Member] \| France [Member]
Debt Instrument [Line Items]
Long-term debt						29,900
Debts Having Fixed Interest Rates [Member] \| France [Member]
Debt Instrument [Line Items]
Floating interest rates, minimum			2.20%
Floating interest rates, maximum			4.30%
Long-term debt						46,400
Synutra France [Member]
Debt Instrument [Line Items]
Long-term loan facility \| €					€ 6.7
LIBOR [Member] \| Minimum [Member] \| Hong Kong [Member]
Debt Instrument [Line Items]
Percent over LIBOR			1.10%
LIBOR [Member] \| Minimum [Member] \| Debts Having Floating Interest Rates [Member] \| France [Member]
Debt Instrument [Line Items]
Percent over LIBOR			3.00%
LIBOR [Member] \| Maximum [Member] \| Hong Kong [Member]
Debt Instrument [Line Items]
Percent over LIBOR			2.60%
LIBOR [Member] \| Maximum [Member] \| Debts Having Floating Interest Rates [Member] \| France [Member]
Debt Instrument [Line Items]
Percent over LIBOR			3.40%
RMB [Member]
Debt Instrument [Line Items]
Short-term and long-term borrowings						200,800
USD [Member]
Debt Instrument [Line Items]
Short-term and long-term borrowings						141,300
EUR [Member]
Debt Instrument [Line Items]
Short-term and long-term borrowings						$ 131,900