Segment Information (Segment Data) (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Segment Reporting Information [Line Items]
Revenues		$ 752,589	$ 696,383	$ 1,439,777	$ 1,327,640
Operating Income (Loss)		87,722	74,012	145,190	102,839
Total Acquisition & Restructuring Charges included in Corporate Segment		2,498	359	4,591	1,662
Contingent Consideration Discrete Adjustment					280
UNITED STATES
Segment Reporting Information [Line Items]
Revenues		342,298	353,969	673,511	690,884
Operating Income (Loss)		50,221	55,591	94,687	85,181
UNITED KINGDOM
Segment Reporting Information [Line Items]
Revenues		194,226	200,797	359,580	373,076
Operating Income (Loss)		18,768	12,263	28,972	17,858
Hain Pure Protein [Member]
Segment Reporting Information [Line Items]
Revenues		141,706	86,216	265,694	156,886
Operating Income (Loss)		18,125	7,715	28,396	11,534
All Other Segments [Member]
Segment Reporting Information [Line Items]
Revenues		74,359	55,401	140,992	106,794
Operating Income (Loss)		4,689	5,613	6,784	6,248
Total Segment Operating Income [Member]
Segment Reporting Information [Line Items]
Operating Income (Loss)		91,803	81,182	158,839	120,821
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Operating Income (Loss)	[1]	$ (4,081)	$ (7,170)	$ (13,649)	$ (17,982)

[1] Includes $2,498 and $359 of acquisition related expenses, restructuring and integration charges for the three months ended December 31, 2015 and 2014, respectively.