Shareholders' Equity - Schedule of Changes in Accumulated Other Comprehensive Income and Changes in Equity (Detail) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Schedule Of Shareholders Equity [Line Items]
Beginning Balance	$ 2,452,473
Beginning Balance		$ 2,392,826
Net income	103,117	87,517
Other comprehensive income, net of tax	(12,927)	(43,693)
Exercise of stock options	1,136	2,549
Repurchases related to share-based compensation arrangements	(11,122)	(11,716)
Share-based compensation, net	10,160	8,392
Excess tax benefit from share-based compensation	25,911	1,882
Treasury stock repurchases	(35,164)	(37,097)
Dividends	(24,824)	(25,152)
Non-controlling interest		(3)
Ending Balance	2,508,760
Ending Balance		2,375,505
Common Stock [Member]
Schedule Of Shareholders Equity [Line Items]
Beginning Balance	1,012	1,007
Exercise of stock options	3	3
Ending Balance	1,015	1,010
Additional Paid-in Capital [Member]
Schedule Of Shareholders Equity [Line Items]
Beginning Balance	1,410,765	1,365,257
Exercise of stock options	1,133	2,546
Repurchases related to share-based compensation arrangements	(11,122)	(11,716)
Share-based compensation, net	10,160	8,392
Excess tax benefit from share-based compensation	25,911	1,882
Ending Balance	1,436,847	1,366,361
AOCI [Member]
Schedule Of Shareholders Equity [Line Items]
Beginning Balance	(77,241)	11,434
Other comprehensive income, net of tax	(12,927)	(43,693)
Ending Balance	(90,168)	(32,259)
Retained Earnings [Member]
Schedule Of Shareholders Equity [Line Items]
Beginning Balance	2,490,570	2,229,517
Net income	103,117	87,099
Dividends	(24,824)	(25,152)
Ending Balance	2,568,863	2,291,464
Treasury Stock [Member]
Schedule Of Shareholders Equity [Line Items]
Beginning Balance	(1,372,633)	(1,232,602)
Treasury stock repurchases	(35,164)	(37,097)
Ending Balance	$ (1,407,797)	(1,269,699)
Total Harman International Industries, Incorporated Shareholders' Equity [Member]
Schedule Of Shareholders Equity [Line Items]
Beginning Balance		2,374,613
Net income		87,099
Other comprehensive income, net of tax		(43,693)
Exercise of stock options		2,549
Repurchases related to share-based compensation arrangements		(11,716)
Share-based compensation, net		8,392
Excess tax benefit from share-based compensation		1,882
Treasury stock repurchases		(37,097)
Dividends		(25,152)
Ending Balance		2,356,877
Non Controlling Interest [Member]
Schedule Of Shareholders Equity [Line Items]
Beginning Balance, Non Controlling Interest		18,213
Net income		418
Non-controlling interest		(3)
Ending Balance, Non Controlling Interest		$ 18,628