Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Statement of Comprehensive Income [Abstract]
Net income	$ 332,617	$ 375,086	$ 326,668
Net unrealized gain (loss) on marketable securities	203	50	(66)
Total comprehensive income	332,820	375,136	326,602
Less: Comprehensive income attributable to noncontrolling interest	(304,448)	(367,760)	(322,665)
Comprehensive income attributable to Premier, Inc.	$ 28,372	$ 7,376	$ 3,937