Acquired Intangible Assets - Calculation Of Acquired Intangibles By Asset Class (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Finite-Lived Intangible Assets, Net [Abstract]
Cost	$ 2,233,435	$ 2,333,736
Accumulated Amortization	(1,086,931)	(1,037,099)
Total	1,146,504	1,296,637
Technology assets
Finite-Lived Intangible Assets, Net [Abstract]
Cost	835,498	985,226
Accumulated Amortization	(349,259)	(439,774)
Total	486,239	545,452
Intangible assets fully amortized during the period	$ 273,900
Weighted-average amortization period (in years) for acquired intangible assets	6 years
Customer assets
Finite-Lived Intangible Assets, Net [Abstract]
Cost	$ 1,397,937	1,348,510
Accumulated Amortization	(737,672)	(597,325)
Total	660,265	$ 751,185
Intangible assets fully amortized during the period	$ 49,500
Weighted-average amortization period (in years) for acquired intangible assets	8 years