Acquisitions and Disposals Acquisitions and Disposals (Acquisition Related Costs) (Details) In Thousands, unless otherwise specified	3 Months Ended			6 Months Ended			12 Months Ended		3 Months Ended					3 Months Ended
	Dec. 31, 2014 USD ($)		Dec. 31, 2013 USD ($)	Dec. 31, 2014 USD ($)		Dec. 31, 2013 USD ($)	Jun. 30, 2014 USD ($)		Mar. 31, 2015 Tilda [Member] USD ($)	Mar. 31, 2015 Tilda [Member] GBP (£)	Mar. 31, 2014 Tilda [Member] USD ($)	Mar. 31, 2014 Tilda [Member] GBP (£)	Jan. 13, 2014 Tilda [Member] USD ($)	Jun. 30, 2014 Rudis [Member] USD ($)	Jun. 30, 2014 Rudis [Member] GBP (£)	Apr. 28, 2014 Rudis [Member] USD ($)	Jun. 30, 2014 2014 Acquisition [Member] USD ($)
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired				$ 17,935		$ (481)	$ 177,147
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned							159,521						148,353			11,168
Business Combination, Contingent Consideration, Liability							32,958
Business Combination, Consideration Transferred							369,626				307,651			61,975
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets							94,886				86,828					8,058
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment							43,672				39,898			3,774
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill							152,063				124,549			27,514
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities							(99,303)				(92,971)			(6,332)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent							(25,973)				(25,936)			(37)
Goodwill	1,093,589	[1]		1,093,589	[1]		1,134,368	[1]			175,283			28,998			204,281
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net							369,626
Other Payments to Acquire Businesses									15,114	10,000	32,958	20,000		0
Payments to Acquire Businesses, Gross											126,340				50,807
Business Combination, Acquisition Related Costs	$ 1,488		$ 523	$ 359		$ 1,248

[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.