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		6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Earnings Per Share [Abstract]
Net income	$ 113,187	$ 116,164	$ 200,703	$ 199,098
Net income (loss) attributable to noncontrolling interest	289	(71)	707	(110)
Net income attributable to Harman International Industries, Incorporated	$ 112,898	$ 116,235	$ 199,996	$ 199,208
Weighted average shares outstanding	72,079	69,432	72,060	69,367
Employee stock options	751	826	489	835
Total weighted average shares outstanding	72,830	70,258	72,549	70,202
Earnings per share, Basic	$ 1.57	$ 1.67	$ 2.78	$ 2.87
Earnings per share, Diluted	$ 1.55	$ 1.65	$ 2.76	$ 2.84