Acquisitions and Disposals (Components Of Preliminary Purchase Price Allocations) (Details) In Thousands, unless otherwise specified	9 Months Ended			12 Months Ended		3 Months Ended	9 Months Ended		3 Months Ended	9 Months Ended				3 Months Ended		9 Months Ended		9 Months Ended	12 Months Ended
	Mar. 31, 2015 USD ($)		Mar. 31, 2014 USD ($)	Jun. 30, 2014 USD ($)		Sep. 30, 2014 Hain Pure Protein [Member] USD ($)	Mar. 31, 2015 Hain Pure Protein [Member] USD ($)	Jul. 17, 2014 Hain Pure Protein [Member] USD ($)	Mar. 31, 2015 Empire Kosher [Member] USD ($)	Mar. 31, 2015 Empire Kosher [Member] USD ($)	Mar. 04, 2015 Empire Kosher [Member] USD ($)	Jul. 17, 2014 Empire Kosher [Member]	Mar. 31, 2015 FY'15 Acquisitions [Member] USD ($)	Mar. 31, 2015 Belvedere [Member] USD ($)	Mar. 31, 2015 Belvedere [Member] CAD	Mar. 31, 2015 Belvedere [Member] USD ($)	Feb. 20, 2015 Belvedere [Member] USD ($)	Mar. 31, 2015 Customer Relationships [Member]	Jun. 30, 2014 Customer Relationships [Member]
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired								51.30%			81.00%	19.00%
Business Combination, Step Acquisition, Equity Interest in Acquiree, Fair Value	$ 45,860					$ 36,074				$ 9,786						$ 0
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life																		10 years 9 months	13 years 2 months
Business Combination, Consideration Transferred	158,834			367,108		76,074	76,074		67,381	67,381				15,379		15,379
Business Combination, Contingent Consideration, Liability	1,603			32,958				0			0						1,603
Goodwill	1,107,328	[1]		1,134,368	[1]			14,783			28,212		44,919				1,924
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent	16,370			26,232				999			(13,739)						(3,630)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities	56,987			99,303				(41,615)			(13,948)						(1,424)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	60,418			152,063				20,700			34,020						5,698
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	37,438			43,580				21,864			13,095						2,479
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets	82,128			94,886				52,055			19,741						10,332
Business Acquisition, Cost of Acquired Entity, Cash Paid	91,681					20,310								13,776	17,189
Payments to Acquire Businesses, Net of Cash Acquired	104,419		121,499	174,629					57,595
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned	19,690			159,521				19,690			0						0
Total purchase price allocation				367,108
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets	$ 7,288							$ 7,288			$ 0						$ 0

[1] The total carrying value of goodwill for all periods in the table above is reflected net of $42,029 of accumulated impairment charges recorded during fiscal 2009 which relate to the Company’s United Kingdom and Europe operating segments.