Shareholders' Equity - Schedule of Changes in Accumulated Other Comprehensive Income and Changes in Equity (Detail) - USD ($) $ in Thousands		3 Months Ended
		Sep. 30, 2015	Sep. 30, 2014
Schedule Of Shareholders Equity [Line Items]
Beginning Balance		$ 2,374,613
Beginning Balance, Non Controlling Interest		18,213
Net income		87,517	$ 82,934
Other comprehensive income, net of tax	[1]	(43,693)	1,465
Exercise of stock options		2,549	6,009
Repurchases related to share-based compensation arrangements		(11,716)	(21,670)
Share-based compensation, net		8,392	10,818
Excess tax benefit from share-based compensation		1,882	2,803
Treasury Stock Repurchases		(37,097)
Dividends		(25,152)	(22,735)
Acquisition of Non-Controlling Interest		(3)
Ending Balance		2,356,877
Ending Balance, Non Controlling Interest		18,628
Beginning Balance		2,392,826	1,793,021
Ending Balance		2,375,505	1,852,645
Preferred Stock [Member]
Schedule Of Shareholders Equity [Line Items]
Beginning Balance		0	0
Net income		0	0
Exercise of stock options		0	0
Repurchases related to share-based compensation arrangements		0	0
Share-based compensation, net		0	0
Excess tax benefit from share-based compensation		0	0
Treasury Stock Repurchases		0
Dividends		0	0
Acquisition of Non-Controlling Interest		0
Ending Balance		0	0
Common Stock [Member]
Schedule Of Shareholders Equity [Line Items]
Beginning Balance		1,007	984
Net income		0	0
Exercise of stock options		3	4
Repurchases related to share-based compensation arrangements		0	0
Share-based compensation, net		0	0
Excess tax benefit from share-based compensation		0	0
Treasury Stock Repurchases		0
Dividends		0	0
Acquisition of Non-Controlling Interest		0
Ending Balance		1,010	988
Additional Paid-in Capital [Member]
Schedule Of Shareholders Equity [Line Items]
Beginning Balance		1,365,257	1,040,254
Net income		0	0
Exercise of stock options		2,546	6,005
Repurchases related to share-based compensation arrangements		(11,716)	(21,670)
Share-based compensation, net		8,392	10,818
Excess tax benefit from share-based compensation		1,882	2,803
Treasury Stock Repurchases		0
Dividends		0	0
Acquisition of Non-Controlling Interest		0
Ending Balance		1,366,361	1,038,210
AOCI [Member]
Schedule Of Shareholders Equity [Line Items]
Beginning Balance		11,434	39,799
Net income		0	0
Other comprehensive income, net of tax		(43,693)	1,461
Exercise of stock options		0	0
Repurchases related to share-based compensation arrangements		0	0
Share-based compensation, net		0	0
Excess tax benefit from share-based compensation		0	0
Treasury Stock Repurchases		0
Dividends		0	0
Acquisition of Non-Controlling Interest		0
Ending Balance		(32,259)	41,260
Retained Earnings [Member]
Schedule Of Shareholders Equity [Line Items]
Beginning Balance		2,229,517	1,979,234
Net income		87,099	82,973
Exercise of stock options		0	0
Repurchases related to share-based compensation arrangements		0	0
Share-based compensation, net		0	0
Excess tax benefit from share-based compensation		0	0
Treasury Stock Repurchases		0
Dividends		(25,152)	(22,735)
Acquisition of Non-Controlling Interest		0
Ending Balance		2,291,464	2,039,472
Treasury Stock [Member]
Schedule Of Shareholders Equity [Line Items]
Beginning Balance		(1,232,602)	(1,267,693)
Net income		0	0
Exercise of stock options		0	0
Repurchases related to share-based compensation arrangements		0	0
Share-based compensation, net		0	0
Excess tax benefit from share-based compensation		0	0
Treasury Stock Repurchases		(37,097)
Dividends		0	0
Acquisition of Non-Controlling Interest		0
Ending Balance		(1,269,699)	(1,267,693)
Total Harman International Industries, Incorporated Shareholders' Equity [Member]
Schedule Of Shareholders Equity [Line Items]
Beginning Balance		2,374,613	1,792,578
Net income		87,099	82,973
Other comprehensive income, net of tax		(43,693)	1,461
Exercise of stock options		2,549	6,009
Repurchases related to share-based compensation arrangements		(11,716)	(21,670)
Share-based compensation, net		8,392	10,818
Excess tax benefit from share-based compensation		1,882	2,803
Treasury Stock Repurchases		(37,097)
Dividends		(25,152)	(22,735)
Acquisition of Non-Controlling Interest		0
Ending Balance		2,356,877	1,852,237
Non Controlling Interest [Member]
Schedule Of Shareholders Equity [Line Items]
Beginning Balance, Non Controlling Interest		18,213	443
Net income		418	(39)
Other comprehensive income, net of tax		0	4
Exercise of stock options		0	0
Repurchases related to share-based compensation arrangements		0	0
Share-based compensation, net		0	0
Excess tax benefit from share-based compensation		0	0
Treasury Stock Repurchases		0
Dividends		0	0
Acquisition of Non-Controlling Interest		(3)
Ending Balance, Non Controlling Interest		$ 18,628	$ 408

[1] Refer to Note 15 - Other Comprehensive Income (Loss) for more information.