Segment Information (Segment Data) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Mar. 31, 2015		Mar. 31, 2014		Mar. 31, 2015	Mar. 31, 2014
Segment Reporting Information [Line Items]
Revenues	$ 662,739		$ 557,420		$ 1,990,379	$ 1,569,783
Operating Income (Loss)	60,194		63,629		163,033	167,714
Total Acquisition & Restructuring Charges included in Corporate Segment	4,263		6,882		5,925	9,885
Contingent Consideration Discrete Adjustment					280	(1,936)
United States [Member]
Segment Reporting Information [Line Items]
Revenues	343,728		319,471		1,034,612	959,191
Operating Income (Loss)	55,851		56,702		141,031	159,578
United Kingdom [Member]
Segment Reporting Information [Line Items]
Revenues	178,068		176,939		551,144	436,985
Operating Income (Loss)	11,760		18,366		29,618	32,278
Hain Pure Protein [Member]
Segment Reporting Information [Line Items]
Revenues	83,192		0		240,078	0
Operating Income (Loss)	4,970		0		16,505	0
All Other Segments [Member]
Segment Reporting Information [Line Items]
Revenues	57,751		61,010		164,545	173,607
Operating Income (Loss)	4,412		5,100		10,660	11,544
Total Segment Operating Income [Member]
Segment Reporting Information [Line Items]
Operating Income (Loss)	76,993		80,168		197,814	203,400
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Operating Income (Loss)	$ (16,799)	[1]	$ (16,539)	[1]	$ (34,781)	$ (35,686)

[1] Includes $4,263 and $6,882 of acquisition related expenses, restructuring and integration charges for the three months ended March 31, 2015 and 2014, respectively. Such expenses for the nine months ended March 31, 2015 and 2014 were $5,925 and $9,885, respectively. Corporate and other also includes expense of $280 and a net reduction of expense of $1,936 for contingent consideration adjustments for the nine months ended March 31, 2015 and 2014, respectively.