ORGANIZATION AND BASIS OF PRESENTATION - Schedule of Premier LP's Cashflows (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Variable Interest Entity [Line Items]
Operating activities	$ 507,706	$ 392,247	$ 371,470
Investing activities	(92,680)	(465,053)	(159,636)
Financing activities	(419,375)	(19,276)	(109,539)
Net increase (decrease) in cash and cash equivalents	(4,349)	(92,082)	102,295
Cash and cash equivalents at beginning of year	156,735	248,817	146,522
Cash and cash equivalents at end of year	152,386	156,735	248,817
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Operating activities	534,643	439,746	393,352
Investing activities	(92,680)	(465,053)	(159,636)
Financing activities	(457,673)	(51,290)	(150,330)
Net increase (decrease) in cash and cash equivalents	(15,710)	(76,597)	83,386
Cash and cash equivalents at beginning of year	133,451	210,048	126,662
Cash and cash equivalents at end of year	$ 117,741	$ 133,451	$ 210,048

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes.

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Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

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