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Acquired Intangible Assets (Calculation Of Acquired Intangibles By Asset Class) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Sep. 30, 2011
Acquired Finite-Lived Intangible Assets [Line Items] 
Net book value during beginning of period$ 344,995
Amortization expense(33,831)
Foreign exchange and other impacts(184)
Net book value during end of period414,281
Operitel Corporation [Member] | Technology Assets [Member]
 
Acquired Finite-Lived Intangible Assets [Line Items] 
Acquisition of intangible assets2,761
Acquisition Of Global 360 [Member] | Technology Assets [Member]
 
Acquired Finite-Lived Intangible Assets [Line Items] 
Acquisition of intangible assets40,600
Technology Assets [Member]
 
Acquired Finite-Lived Intangible Assets [Line Items] 
Net book value during beginning of period203,630
Amortization expense(20,790)
Foreign exchange and other impacts(93)
Net book value during end of period226,108
Weighted-average amortization period (in years) for acquired intangible assets5
Operitel Corporation [Member] | Customer Assets [Member]
 
Acquired Finite-Lived Intangible Assets [Line Items] 
Acquisition of intangible assets1,840
Acquisition Of Global 360 [Member] | Customer Assets [Member]
 
Acquired Finite-Lived Intangible Assets [Line Items] 
Acquisition of intangible assets58,100
Customer Assets [Member]
 
Acquired Finite-Lived Intangible Assets [Line Items] 
Net book value during beginning of period141,365
Amortization expense(13,041)
Foreign exchange and other impacts(91)
Net book value during end of period188,173
Weighted-average amortization period (in years) for acquired intangible assets7
Operitel Corporation [Member]
 
Acquired Finite-Lived Intangible Assets [Line Items] 
Acquisition of intangible assets4,601
Acquisition Of Global 360 [Member]
 
Acquired Finite-Lived Intangible Assets [Line Items] 
Acquisition of intangible assets$ 98,700