Represents the amount of debt issued as a result of the exercise of an over-allotment option by the underwriters.

No definition available.

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- Definition

Represents the amount of debt issued as a percentage of its par value.

+ References

No definition available.

+ Details

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- Definition

Represents the amount of debt instrument for purchase of which overallotments option is granted to underwriters.

+ References

No definition available.

+ Details

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- Definition

Represents the period of overallotments option to purchase debt instrument, granted to underwriters.

+ References

No definition available.

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- Definition

The principal amount of notes used as denominator for purposes of computing the conversion ratio of convertible debt.

+ References

No definition available.

+ Details

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- Definition

Fair value portion of borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Convertible Security
-URI http://asc.fasb.org/extlink&oid=6509036

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- Definition

The price per share of the conversion feature embedded in the debt instrument.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6928298&loc=SL6031898-161870

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Period Type:	instant

- Definition

Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 6
-Subparagraph (b)
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-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6509012

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(5))
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- Definition

The amount by which the convertible debt's if-converted value exceeds its principle amount at the balance sheet date, regardless of whether the instrument is currently convertible. This element applies to public companies only.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6928298&loc=SL6031898-161870

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- Definition

The number of equity instruments that the holder of the debt instrument would receive if the debt was converted to equity.

+ 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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-Subparagraph (SX 210.5-02.22(a)(5))
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- Definition

Face (par) amount of debt instrument at time of issuance.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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- References

No definition available.

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- Definition

Gross amount of debt extinguished.

+ References

No definition available.

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- Definition

Amount of income (expense) related to nonoperating activities, classified as other.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.9)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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- Definition

The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

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-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585

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DEBT - 1.00 CONVERTIBLE NOTES (Details) $ / shares in Units, label in Thousands			12 Months Ended
	Jul. 17, 2013 USD ($) label	Jun. 18, 2013 USD ($) $ / shares	Mar. 31, 2018 USD ($)	Mar. 31, 2017 USD ($)	Mar. 31, 2016 USD ($)
Convertible Notes
Interest and other, net			$ 1,048,000	$ (15,690,000)	$ (30,205,000)
1.00% Convertible Notes due 2018
Convertible Notes
Principal amount at issuance			$ 8,160,000	268,149,000
Interest rate			1.00%
Estimated fair value of convertible notes			$ 36,799,000
Convertible Debt \| 1.00% Convertible Notes due 2018
Convertible Notes
Principal amount at issuance		$ 250,000,000
Interest rate		1.00%	1.00%
Percentage of par value at which debt was issued		98.50%
Proceeds from issuance of debt	$ 283,188,000	$ 246,250,000
Period of overallotment option to purchase additional amount of debt granted to underwriters		30 days
Amount pertaining to exercise of over-allotment of debt by underwriters	$ 37,500,000
Initial conversion rate of common stock per $1000 of principal amount of Convertible Notes (in shares)		46.4727
Principal amount used for debt instrument conversion ratio		$ 1,000
Initial conversion price of convertible notes into common stock (in dollars per share) \| $ / shares		$ 21.52
Number of shares to be converted into common stock \| label	13,361
Extinguishment of debt			$ 259,989,000
Interest and other, net			4,900,000
The value by which Convertible Notes exceed the principal value			$ 28,639,000	$ 470,456,000
Convertible Debt \| 1.00% Convertible Notes due 2018 \| Maximum
Convertible Notes
Additional amount of debt for purchase of which overallotment option is granted to underwriters		$ 37,500,000