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		9 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015
Earnings Per Share [Abstract]
Net income	$ 88,819	$ 70,249	$ 289,522	$ 269,347
Net (loss) income attributable to noncontrolling interest	(5)	(46)	702	(156)
Net income attributable to Harman International Industries, Incorporated	$ 88,824	$ 70,295	$ 288,820	$ 269,503
Weighted average shares outstanding	72,020	69,946	72,046	69,557
Employee stock options	622	849	478	765
Total weighted average shares outstanding	72,642	70,795	72,524	70,322
Earnings per share, Basic	$ 1.23	$ 1.00	$ 4.01	$ 3.87
Earnings per share, Diluted	$ 1.22	$ 0.99	$ 3.98	$ 3.83