Other Comprehensive Income (Loss) - Schedule of Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015
Pension liability adjustment:
Other comprehensive (loss) income, Pre-Tax		$ (44,019)	$ 54,528	$ (87,287)	$ 88,025
Other comprehensive (loss) income attributable to Harman International Industries, Incorporated, Pre-Tax		(44,019)	54,528	(87,287)	88,025
Foreign currency translation gains (losses), Net of Tax	[1]	33,583	(82,855)	(19,664)	(210,530)
Changes in hedging derivatives:
Reclassifications from AOCI into income (effective portion), Net of Tax		23,922	15,389	67,235	22,157
Unrealized (losses) gains on hedging derivatives, Net of Tax	[1]	(57,574)	100,583	(50,856)	218,749
Pension liability adjustment:
Pension liability adjustment, Net of Tax	[1]	1,340	(3,436)	5	(6,704)
Unrealized (losses) gains on available-for-sale securities, Net of Tax	[1]	(182)	38	(233)	90
Other comprehensive income, net of tax		(25,513)	21,202	(70,758)	15,013
Other comprehensive (loss) income, net of taxes attributable to Harman International Industries, Incorporated		(25,513)	21,202	(70,758)	15,013
Cumulative Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Foreign currency translation gains (losses), Pre-Tax		33,583	(82,855)	(19,664)	(210,530)
Pension liability adjustment:
Foreign currency translation gains (losses), Net of Tax		33,583	(82,855)	(19,664)	(210,530)
Unrealized (Losses) Gains on Hedging Derivatives [Member]
Changes in hedging derivatives:
Gains recognized in AOCI (effective portion)), Pre-Tax		(51,488)	148,115	(40)	311,226
Other (losses) gains, Pre-Tax		(2)	(83)	21	6
Unrealized (losses) gains on hedging derivatives, Pre-Tax		(75,412)	132,643	(67,254)	289,075
Changes in hedging derivatives:
Gains recognized in AOCI (effective portion), Net of Tax		(42,397)	112,229	(30)	235,511
Other (losses) gains, Net of Tax		(3)	5	16	5
Unrealized (losses) gains on hedging derivatives, Net of Tax		(57,574)	100,583	(50,856)	218,749
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		(24,354)	(15,392)	(67,653)	(21,942)
Changes in hedging derivatives:
Reclassifications from AOCI into income (effective portion), Net of Tax		(15,502)	(11,653)	(51,158)	(16,604)
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		427	3	403	(215)
Changes in hedging derivatives:
Reclassifications from AOCI into income (effective portion), Net of Tax		325	2	305	(163)
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		5	0	15
Changes in hedging derivatives:
Reclassifications from AOCI into income (effective portion), Net of Tax		3	0	11
Pension Liability Adjustment [Member]
Pension liability adjustment:
Pension liability adjustment, Pre-Tax		(1,904)	4,672	(2)	9,331
Pension liability adjustment:
Pension liability adjustment, Net of Tax		(1,340)	3,436	(5)	6,704
Pension Liability Adjustment [Member] | Selling, General and Administrative Expense [Member]
Pension liability adjustment:
Amortization of prior service cost, Pre-Tax		247	243	741	730
Amortization of net loss, Pre-Tax		1,313	918	3,937	2,847
Expected return on plan assets, Pre-Tax		(29)	(60)	(91)	(189)
Pension liability adjustment:
Amortization of prior service cost, Net of Tax		1,506	182	1,853	524
Amortization of net loss, Net of Tax		8,001	692	9,843	2,045
Expected return on plan assets, Net of Tax		(184)	(46)	(228)	(136)
Pension Liability Adjustment [Member] | Foreign Exchange Losses (Gains), Net [Member]
Pension liability adjustment:
Other (losses) gains, Pre-Tax		(3,435)	3,571	(4,589)	5,943
Pension liability adjustment:
Other (losses) gains, Net of Tax		(10,663)	2,608	(11,473)	4,271
Unrealized (Losses) Gains on Available-for-Sale Securities [Member]
Pension liability adjustment:
Unrealized (losses) gains on available-for-sale securities, Pre-Tax		(286)	68	(367)	149
Pension liability adjustment:
Unrealized (losses) gains on available-for-sale securities, Net of Tax		$ (182)	$ 38	$ (233)	$ 90

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