Other Comprehensive Income (Loss) - Schedule of Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands		12 Months Ended
		Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Pension liability adjustment:
Actuarial loss, Pre-Tax		$ (28,757)	$ (16,236)
Other comprehensive (loss) income, Pre-Tax		(109,613)	23,767	$ 9,132
Other comprehensive (loss) income attributable to Harman International Industries, Incorporated, Pre-Tax		(109,613)	23,767	9,132
Foreign currency translation (losses) gains, Net of Tax	[1]	(26,960)	(191,212)	44,881
Changes in hedging derivatives:
Reclassifications from AOCI into income (effective portion), Net of Tax		89,936	51,965	(9,378)
Gains (losses) recognized in AOCI (effective portion), Net of Tax		28,972	271,153	(37,679)
Unrealized (losses) gains on hedging derivatives, Net of Tax	[1]	(47,536)	164,599	(21,248)
Pension liability adjustment:
Other gains (losses), Net of Tax		4,196
Pension liability adjustment, Net of Tax	[1]	14,051	1,858	5,817
Unrealized (losses) gains on available-for-sale securities, Net of Tax	[1]	(128)	106	183
Other comprehensive income, net of tax		(88,675)	(28,365)	17,999
Other comprehensive (loss) income, net of taxes attributable to Harman International Industries, Incorporated		(88,675)	(28,365)	17,999
Cumulative Translation Adjustment [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Foreign currency translation (losses) gains, Pre-Tax		(26,960)	(191,212)	44,881
Pension liability adjustment:
Foreign currency translation (losses) gains, Net of Tax		(26,960)	(191,212)	44,881
Unrealized (Losses) Gains on Hedging Derivatives [Member]
Changes in hedging derivatives:
Gains (losses) recognized in AOCI (effective portion), Pre-Tax		28,972	271,153	(37,679)
Other losses, Pre-Tax		(1,785)	(993)	(69)
Unrealized (losses) gains on hedging derivatives, Pre-Tax		(62,749)	218,195	(28,370)
Changes in hedging derivatives:
Gains (losses) recognized in AOCI (effective portion), Net of Tax		21,947	204,549	(28,220)
Other losses, Net of Tax		(1,355)	(749)	(52)
Unrealized (losses) gains on hedging derivatives, Net of Tax		(47,536)	164,599	(21,248)
Unrealized (Losses) Gains on Hedging Derivatives [Member] | Cost of Sales [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Changes in hedging derivatives:
Reclassifications from AOCI into income (effective portion), Pre-Tax		(90,109)	(51,720)	8,980
Changes in hedging derivatives:
Reclassifications from AOCI into income (effective portion), Net of Tax		(68,259)	(39,016)	6,726
Unrealized (Losses) Gains on Hedging Derivatives [Member] | Selling, General and Administrative Expense [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Changes in hedging derivatives:
Reclassifications from AOCI into income (effective portion), Pre-Tax		305	(245)	398
Changes in hedging derivatives:
Reclassifications from AOCI into income (effective portion), Net of Tax		231	(185)	298
Unrealized (Losses) Gains on Hedging Derivatives [Member] | Foreign Exchange Losses (Gains), Net [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Changes in hedging derivatives:
Reclassifications from AOCI into income (effective portion), Pre-Tax		(153)
Changes in hedging derivatives:
Reclassifications from AOCI into income (effective portion), Net of Tax		(116)
Unrealized (Losses) Gains on Hedging Derivatives [Member] | Interest Expense, Net [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Changes in hedging derivatives:
Reclassifications from AOCI into income (effective portion), Pre-Tax		21
Changes in hedging derivatives:
Reclassifications from AOCI into income (effective portion), Net of Tax		16
Pension Liability Adjustment [Member]
Pension liability adjustment:
Pension liability adjustment, Pre-Tax		(19,704)	(3,383)	(7,666)
Pension liability adjustment:
Pension liability adjustment, Net of Tax		(14,051)	(1,858)	(5,817)
Pension Liability Adjustment [Member] | Selling, General and Administrative Expense [Member]
Pension liability adjustment:
Amortization of prior service cost, Pre-Tax		968	975	1,001
Amortization of net loss, Pre-Tax		4,874	3,767	3,038
Expected return on plan assets, Pre-Tax		(122)	(255)	(259)
Actuarial loss, Pre-Tax		(28,199)	(14,866)	(10,876)
Pension liability adjustment:
Amortization of prior service cost, Net of Tax		690	535	760
Amortization of net loss, Net of Tax		3,476	2,068	2,305
Expected return on plan assets, Net of Tax		(87)	(140)	(197)
Actuarial loss, Net of Tax		(20,111)	(8,162)	(8,253)
Pension Liability Adjustment [Member] | Foreign Exchange Losses (Gains), Net [Member]
Pension liability adjustment:
Other gains (losses), Pre-Tax		2,775	6,996	(570)
Pension liability adjustment:
Other gains (losses), Net of Tax		1,981	3,841	(432)
Unrealized (Losses) Gains on Available-for-Sale Securities [Member]
Pension liability adjustment:
Unrealized (losses) gains on available-for-sale securities, Pre-Tax		(200)	167	287
Pension liability adjustment:
Unrealized (losses) gains on available-for-sale securities, Net of Tax		$ (128)	$ 106	$ 183

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