Earnings (Loss) Per Share (Schedule Of Calculation Of Basic And Diluted Earnings Per Share Of Common Stock Outstanding) (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
Earnings Per Share Basic And Diluted [Line Items]
Income from continuing operations, net of income taxes													$ 329,541	$ 135,916	$ 40,467
Less: Net income attributable to noncontrolling interest													0	0	5,289
Net income from continuing operations attributable to Harman International Industries, Incorporated									18,437	14,921	13,396	(11,576)	329,541	135,916	35,178
Income from discontinued operations, net of income taxes									115,446	3,339	2,703	2,103	0	0	123,591
Net income attributable to Harman International Industries, Incorporated									133,883	18,260	16,099	(9,473)	329,541	135,916	158,769
Weighted average shares outstanding													71,297	70,992	70,350
Total weighted average shares outstanding													72,083	71,635	70,595
Net income from continuing operations attributable to Harman International Industries, Incorporated									$ 0.26	$ 0.21	$ 0.19	$ (0.17)	$ 4.57	$ 1.90	$ 0.50
Income from discontinued operations, net of income taxes									$ 1.63	$ 0.05	$ 0.04	$ 0.03	$ 0.00	$ 0.00	$ 1.75
Net income attributable to Harman International Industries, Incorporated	$ 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
Diluted [Member]
Earnings Per Share Basic And Diluted [Line Items]
Income from continuing operations, net of income taxes													329,541	135,916	40,467
Less: Net income attributable to noncontrolling interest													0	0	5,289
Net income from continuing operations attributable to Harman International Industries, Incorporated													329,541	135,916	35,178
Income from discontinued operations, net of income taxes													0	0	123,591
Net income attributable to Harman International Industries, Incorporated													329,541	135,916	158,769
Weighted average shares outstanding													71,297	70,992	70,350
Employee stock options	786				643				245				786	643	245
Total weighted average shares outstanding													72,083	71,635	70,595
Net income from continuing operations attributable to Harman International Industries, Incorporated													$ 4.57	$ 1.90	$ 0.50
Income from discontinued operations, net of income taxes													$ 0.00	$ 0.00	$ 1.75
Net income attributable to Harman International Industries, Incorporated													$ 4.57	$ 1.90	$ 2.25
Basic [Member]
Earnings Per Share Basic And Diluted [Line Items]
Income from continuing operations, net of income taxes													329,541	135,916	40,467
Less: Net income attributable to noncontrolling interest													0	0	5,289
Net income from continuing operations attributable to Harman International Industries, Incorporated													329,541	135,916	35,178
Income from discontinued operations, net of income taxes													0	0	123,591
Net income attributable to Harman International Industries, Incorporated													$ 329,541	$ 135,916	$ 158,769
Weighted average shares outstanding													71,297	70,992	70,350
Employee stock options	0				0				0				0	0	0
Total weighted average shares outstanding													71,297	70,992	70,350
Net income from continuing operations attributable to Harman International Industries, Incorporated													$ 4.62	$ 1.91	$ 0.50
Income from discontinued operations, net of income taxes													$ 0.00	$ 0.00	$ 1.76
Net income attributable to Harman International Industries, Incorporated													$ 4.62	$ 1.91	$ 2.26