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, 2016	Sep. 30, 2015
Earnings Per Share [Abstract]
Net income	$ 103,117	$ 87,517
Net income attributable to non-controlling interest		418
Net income attributable to Harman International Industries, Incorporated	$ 103,117	$ 87,099
Weighted average shares outstanding	70,889	72,032
Employee stock options	469	524
Total weighted average shares outstanding	71,358	72,556
Earnings per share, Basic	$ 1.45	$ 1.21
Earnings per share, Diluted	$ 1.45	$ 1.20