Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Section 45
-Paragraph 28
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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a,h)
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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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GOODWILL AND INTANGIBLE ASSETS - Narrative (Details) - USD ($)	7 Months Ended	12 Months Ended
	Dec. 31, 2016	May 31, 2016	May 31, 2015	May 31, 2014
Goodwill [Line Items]
Accumulated impairment loss	$ 0	$ 0	$ 0	$ 0
Amortization expense of acquired intangibles	$ 194,329,000	$ 113,689,000	$ 72,587,000	$ 61,945,000
Customer-related intangible assets
Goodwill [Line Items]
Intangible assets weighted average amortization periods	12 years 1 month	13 years 10 months 24 days	15 years 1 month 6 days
Acquired technology
Goodwill [Line Items]
Intangible assets weighted average amortization periods		5 years	9 years 1 month 6 days
Trademarks and trade names
Goodwill [Line Items]
Intangible assets weighted average amortization periods		7 years	6 years 1 month 6 days