Acquired Intangible Assets

12 Months Ended

Jun. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]



	As of June 30, 2018
	Cost		Accumulated Amortization			Net
Technology assets	$	985,226	$	(439,774	)	$	545,452
Customer assets	1,348,510		(597,325		)	751,185
Total	$	2,333,736	$	(1,037,099	)	$	1,296,637

	As of June 30, 2017
	Cost		Accumulated Amortization			Net
Technology assets	$	930,841	$	(272,872	)	$	657,969
Customer assets	1,230,806		(416,233		)	814,573
Total	$	2,161,647	$	(689,105	)	$	1,472,542

The above balances as of June 30, 2018 have been reduced to reflect the impact of intangible assets relating to acquisitions where the gross cost has become fully amortized during the year ended June 30, 2018. The impact of this resulted in a reduction of $19.0 million related to Technology assets and $3.0 million related to Customer assets.

The weighted average amortization periods for acquired technology and customer intangible assets are approximately six years and eight years, respectively.

The following table shows the estimated future amortization expense for the fiscal years indicated. This calculation assumes no future adjustments to acquired intangible assets:



	Fiscal years ending June 30,
2019	$	352,401
2020	280,888
2021	190,763
2022	177,208
2023	115,015
2024 and beyond	180,362
Total	$	1,296,637