Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13433-108611

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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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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FAIR VALUE MEASUREMENT OF ASSETS AND LIABILITIES - Debt Not Carried at Fair Value (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Apr. 30, 2019	Mar. 31, 2019
4.750% Notes due June 2025
Other financial instruments
Debt instrument interest rate	4.75%
Level 1 \| 5.000% Notes due February 2023
Other financial instruments
Debt instrument interest rate	5.00%
Level 1 \| 4.750% Notes due June 2025
Other financial instruments
Debt instrument interest rate	4.75%
Level 1 \| 4.875% Notes due June 2029
Other financial instruments
Debt instrument interest rate	4.875%
Carrying Amount \| Level 1 \| Term Loan, including current portion, due in installments through June 2022
Other financial instruments
Debt instrument	$ 433,406		$ 458,531
Carrying Amount \| Level 1 \| 5.000% Notes due February 2023
Other financial instruments
Debt instrument	500,000		500,000
Carrying Amount \| Level 1 \| 4.750% Notes due June 2025
Other financial instruments
Debt instrument	597,265		596,815
Carrying Amount \| Level 1 \| 4.875% Notes due June 2029
Other financial instruments
Debt instrument	661,908		0
Carrying Amount \| Level 2 \| Term Loan due April 2024 - three-month Yen LIBOR plus 0.50%
Other financial instruments
Debt instrument	310,115		0
Carrying Amount \| Level 2 \| Euro Term Loans
Other financial instruments
Debt instrument	207,646		165,270
Carrying Amount \| Level 2 \| India Facilities
Other financial instruments
Debt instrument	138,238		170,206
Fair Value \| Level 1 \| Term Loan, including current portion, due in installments through June 2022
Other financial instruments
Debt instrument	413,903		457,958
Fair Value \| Level 1 \| 5.000% Notes due February 2023
Other financial instruments
Debt instrument	499,710		499,950
Fair Value \| Level 1 \| 4.750% Notes due June 2025
Other financial instruments
Debt instrument	613,152		599,940
Fair Value \| Level 1 \| 4.875% Notes due June 2029
Other financial instruments
Debt instrument	628,419		0
Fair Value \| Level 2 \| Term Loan due April 2024 - three-month Yen LIBOR plus 0.50%
Other financial instruments
Debt instrument	310,115		0
Fair Value \| Level 2 \| Euro Term Loans
Other financial instruments
Debt instrument	207,646		165,270
Fair Value \| Level 2 \| India Facilities
Other financial instruments
Debt instrument	$ 138,238		$ 170,206
Three-month Yen LIBOR \| Term Loan due April 2024 - three-month Yen LIBOR plus 0.50%
Other financial instruments
Debt instrument interest rate	0.50%	0.50%
Three-month Yen LIBOR \| Level 2 \| Term Loan due April 2024 - three-month Yen LIBOR plus 0.50%
Other financial instruments
Debt instrument interest rate	0.50%