Quarterly Summary Of Operations (Schedule Of Quarterly Summary Of Operations) (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended												12 Months Ended
	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2009	Sep. 30, 2009	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Schedule Of Quarterly Financial Summary [Line Items]
Net sales	$ 1,090,771	$ 1,095,675	$ 1,127,029	$ 1,050,603	$ 1,031,122	$ 948,196	$ 956,081	$ 836,946	$ 850,716	$ 837,011	$ 928,273	$ 748,428	$ 4,364,078	$ 3,772,345	$ 3,364,428
Gross profit	298,335	292,630	305,539	287,642	245,214	248,825	268,740	224,571	223,664	217,632	251,635	192,227	1,184,146	987,350	885,158
Income (loss) from continuing operations attributable to Harman International Industries, Incorporated, net of income taxes									18,437	14,921	13,396	(11,576)	329,541	135,916	35,178
Net income	49,263	172,656	59,255	48,367	18,876	36,600	53,052	27,388					329,541	135,916	164,058
Income from discontinued operations, net of income taxes									115,446	3,339	2,703	2,103	0	0	123,591
Net (loss) income									$ 133,883	$ 18,260	$ 16,099	$ (9,473)	$ 329,541	$ 135,916	$ 158,769
income (loss) from continuing operations, per Basic share									$ 0.26	$ 0.21	$ 0.19	$ (0.17)	$ 4.62	$ 1.91	$ 0.50
income (loss) from continuing operations, per diluted share									$ 0.26	$ 0.21	$ 0.19	$ (0.17)	$ 4.57	$ 1.90	$ 0.50
income (loss) from discontinuing operations, per Basic share									$ 1.64	$ 0.05	$ 0.04	$ 0.03	$ 0.00	$ 0.00	$ 1.76
income (loss) from discontinuing operations, per diluted share									$ 1.63	$ 0.05	$ 0.04	$ 0.03	$ 0.00	$ 0.00	$ 1.75
Earnings per share, Basic	$ 0.69	$ 2.41	$ 0.83	$ 0.68	$ 0.27	$ 0.51	$ 0.75	$ 0.39	$ 1.90	$ 0.26	$ 0.23	$ (0.14)	$ 4.62	$ 1.91	$ 2.26
Earnings per share, Diluted	$ 0.69	$ 2.38	$ 0.82	$ 0.67	$ 0.26	$ 0.51	$ 0.74	$ 0.39	$ 1.89	$ 0.26	$ 0.23	$ (0.14)	$ 4.57	$ 1.90	$ 2.25