Acquisitions and Disposals Acquisitions and Disposals (Acquisition Related Costs) (Details) £ in Thousands, $ in Thousands		3 Months Ended						12 Months Ended
		Mar. 31, 2015 GBP (£)	Mar. 31, 2015 USD ($)	Jun. 30, 2014 GBP (£)	Jun. 30, 2014 USD ($)	Mar. 31, 2014 GBP (£)	Mar. 31, 2014 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2013 USD ($)	Apr. 28, 2014 USD ($)	Jan. 13, 2014 USD ($)
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired								$ 104,633	$ 177,290	$ 350,426
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned					$ 159,521			19,690	159,521	102,636
Business Combination, Contingent Consideration, Liability					32,958			1,603	32,958	13,491
Business Combination, Consideration Transferred								159,046	367,108	464,489
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets					94,886			81,725	94,886	60,316
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment					43,580			37,556	43,580	42,995
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill					152,063			60,288	152,063	186,669
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities					(100,061)			(59,121)	(100,061)	(19,946)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent					(24,298)			(16,945)	(24,298)	(8,907)
Goodwill	[1]				1,134,368			1,136,079	1,134,368	876,106
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net					367,108				367,108	464,489
Payments to Acquire Businesses, Gross								91,893
Business Combination, Acquisition Related Costs								$ 5,731	7,238	$ 5,461
Tilda [Member]
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired | £						£ 123,822
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned												$ 148,353
Business Combination, Consideration Transferred							$ 305,133
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets							86,828
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment							39,806
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill							124,549
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities							(93,742)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent							(26,230)
Goodwill							173,922
Other Payments to Acquire Businesses		£ 10,000	$ 15,114			£ 20,000	$ 32,958
Rudis [Member]
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired | £				£ 50,807
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned											$ 11,168
Business Combination, Consideration Transferred					61,975
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets											8,058
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment											3,774
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill											27,514
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities											(6,319)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent											1,932
Goodwill											$ 27,016
Other Payments to Acquire Businesses					0
2014 Acquisition [Member]
Business Acquisition [Line Items]
Goodwill					$ 200,938				$ 200,938

[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.