Intangible Assets (Narrative) (Details) (USD $)	12 Months Ended
	Jun. 30, 2012 entity M Y	Jun. 30, 2011	Jun. 30, 2010
Number of businesses acquired	5	3	3
Amortization period, minimum (in months)	12
Amortization period, maximum (in years)	120
Weighted-average amortization period (in years)	10
Finite-Lived Intangible Assets, Amortization Expense	$ 35,100,000	$ 38,800,000	$ 37,200,000
Accumulated amortization	248,949,000	214,956,000
Customer Contracts And Related Customer Relationships [Member]
Weighted-average amortization period (in years)	8.7
Weighted-average remaining period of amortization (in years)	7.3
Accumulated amortization	227,400,000
Acquired Technologies [Member]
Weighted-average amortization period (in years)	6.7
Weighted-average remaining period of amortization (in years)	5.7
Accumulated amortization	$ 18,000,000