CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Revenue:
Total revenue	$ 140,423		$ 254,592
Cost of revenue:
Total cost of revenue	14,739		27,966
Gross profit	125,684	$ 112,813	226,626	$ 222,862
Operating expenses:
Selling and marketing	26,310	24,380	53,122	47,951
Research and development	20,317		41,373
General and administrative	15,299	14,178	31,383	27,854
Total operating expenses	61,926		125,878
Income from operations	63,758	54,465	100,748	107,778
Interest income	7,485	40	14,554	181
Interest (expense)	(2,164)		(3,978)
Other (expense), net	(578)		(451)
Income before income taxes	68,501		110,873
Provision for (benefit from) income taxes	9,284	14,928	13,591	31,805
Net income	$ 59,217	$ 38,078	$ 97,282	$ 72,833
Net income per common share:
Basic (in dollars per share)	$ 0.84	$ 0.53	$ 1.38	$ 1.00
Diluted (in dollars per share)	$ 0.83	$ 0.52	$ 1.36	$ 0.99
Weighted average shares outstanding:
Basic (in shares)	70,428	72,342	70,708	72,683
Diluted (in shares)	71,148	73,036	71,600	73,333
Accounting Standards Update 2014-09 [Member]
Revenue:
Total revenue		$ 105,530		$ 232,017
Cost of revenue:
Total cost of revenue		12,089		24,821
Gross profit		93,441		207,196
Operating expenses:
Selling and marketing		23,928		47,444
Research and development		19,790		39,279
General and administrative		19,618		34,655
Total operating expenses		63,336		121,378
Income from operations		30,105		85,818
Interest income		6,239		12,545
Interest (expense)		(1,261)		(2,467)
Other (expense), net		(238)		(854)
Income before income taxes		34,845		95,042
Provision for (benefit from) income taxes		(97,187)		(77,510)
Net income		$ 132,032		$ 172,552
Net income per common share:
Basic (in dollars per share)		$ 1.83		$ 2.37
Diluted (in dollars per share)		$ 1.81		$ 2.35
Weighted average shares outstanding:
Basic (in shares)		72,342		72,683
Diluted (in shares)		73,036		73,333
License [Member]
Revenue:
Total revenue	$ 93,368	$ 0	$ 157,123	$ 0
Cost of revenue:
Total cost of revenue	1,819		3,484
License [Member] | Accounting Standards Update 2014-09 [Member]
Revenue:
Total revenue		56,975		135,865
Cost of revenue:
Total cost of revenue		1,233		2,464
Maintenance [Member]
Revenue:
Total revenue	41,038	0	84,077	0
Cost of revenue:
Total cost of revenue	5,286		9,279
Maintenance [Member] | Accounting Standards Update 2014-09 [Member]
Revenue:
Total revenue		40,729		80,993
Cost of revenue:
Total cost of revenue		4,250		8,802
Services and other
Revenue:
Total revenue	6,017	7,244	13,392	14,269
Cost of revenue:
Total cost of revenue	$ 7,634		$ 15,203
Services and other | Accounting Standards Update 2014-09 [Member]
Revenue:
Total revenue		7,826		15,159
Cost of revenue:
Total cost of revenue		$ 6,606		$ 13,555