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Intangible Assets (Narrative) (Details)
 6 Months Ended
Dec. 31, 2011
entities
Finite-Lived Intangible Assets [Line Items]  
Number of businesses acquired 3
Customer Contracts And Related Customer Relationships [Member]
  
Finite-Lived Intangible Assets [Line Items]  
Weighted-average amortization period 8.7
Weighted-average remaining amortization period 7.5
Acquired Technologies [Member]
  
Finite-Lived Intangible Assets [Line Items]  
Weighted-average amortization period 6.7
Weighted-average remaining amortization period 6.0
Maximum [Member]
  
Finite-Lived Intangible Assets [Line Items]  
Amortization period (in months) 120
Minimum [Member]
  
Finite-Lived Intangible Assets [Line Items]  
Amortization period (in months) 12