Earnings Per Share - Schedule of Calculation of Basic and Diluted Earnings per Share of Common Stock Outstanding (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Earnings Per Share [Abstract]
Net income	$ 87,517	$ 82,934
Net income (loss) attributable to noncontrolling interest	418	(39)
Net income attributable to Harman International Industries, Incorporated	$ 87,099	$ 82,973
Weighted average shares outstanding	72,032	69,301
Employee stock options	524	893
Total weighted average shares outstanding	72,556	70,194
Earnings per share, Basic	$ 1.21	$ 1.20
Earnings per share, Diluted	$ 1.20	$ 1.18