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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Acquired Megawatts of Critical Power

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Debt Instrument, Issue Price, Percentage

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Amount of Acquired facility size.

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Number of data centers acquired.

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SUBSEQUENT EVENTS (Narrative) (Details) $ in Millions			9 Months Ended
SUBSEQUENT EVENTS (Narrative) (Details) $ in Millions	May 01, 2017 USD ($) ft² Center MW	Apr. 10, 2017 USD ($)	Mar. 31, 2017 USD ($)	Mar. 31, 2016 USD ($)	Jan. 27, 2017 USD ($)
Subsequent Event [Line Items]
Cash paid for acquisitions			$ 1,426.8	$ 417.0
5.75% Senior Unsecured Notes due 2027 [Member]
Subsequent Event [Line Items]
Debt instrument, face amount					$ 800.0
Interest rate			5.75%		5.75%
5.75% Senior Unsecured Notes due 2027 [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Debt instrument, face amount		$ 550.0
Interest rate		5.75%
Issue price percentage		104.00%
KIO Network [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Cash paid for acquisitions	$ 12.0
Number of data centers \| Center	2
Acquired facility size (in square feet) \| ft²	100,000
Acquired megawatts of critical power \| MW	2