Intangible Assets (Narrative) (Details) (USD $)	12 Months Ended
	Jun. 30, 2011 entities months years	Jun. 30, 2010	Jun. 30, 2009
Amortization period, minimum (in months)	12
Amortization period, maximum (in months)	120
Amortization expense	$ 38,800,000	$ 37,200,000	$ 32,100,000
Accumulated amortization	214,956,000	175,914,000
Customer Contracts And Related Customer Relationships [Member]
Weighted-average amortization period (in years)	8.5
Weighted-average remaining period of amortization (in years)	6.8
Accumulated amortization	198,700,000
Acquired Technologies [Member]
Weighted-average amortization period (in years)	6.7
Weighted-average remaining period of amortization (in years)	6.0
Accumulated amortization	$ 13,000,000