BUSINESS ACQUISITIONS (Details 3) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Pro Forma Operating Results
Net sales	$ 946,913	$ 733,776	$ 2,656,523	$ 2,055,904
Net income attributable to Diplomat Pharmacy, Inc.	$ 11,090	$ 5,536	$ 29,259	$ 11,565
Net income per common share - basic (in dollars per share)	$ 0.17	$ 0.13	$ 0.47	$ 0.27
Net income per common share - diluted (in dollars per share)	$ 0.17	$ 0.12	$ 0.46	$ 0.26