CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2019	Jun. 30, 2018
Current assets:
Cash and cash equivalents	$ 65,592	$ 96,165
Accounts receivable, net	45,293	21,910
Current contract assets	314,745	0
Contract costs	24,325	0
Prepaid expenses and other current assets	11,124
Prepaid income taxes	1,573
Total current assets	462,652
Property, equipment and leasehold improvements, net	7,589	9,806
Computer software development costs, net	1,452
Goodwill	73,534
Intangible assets, net	31,756	35,310
Non-current contract assets	358,709	0
Non-current deferred tax assets	1,696
Other non-current assets	1,279
Total assets	938,667	264,924
Current liabilities:
Accounts payable	4,023
Accrued expenses and other current liabilities	42,746	39,515
Income taxes payable	35,582
Borrowings under credit agreement	220,000
Current deferred revenue	24,415	286,845
Total current liabilities	326,766
Non-current deferred revenue	19,312	28,259
Deferred income taxes	154,901	0
Other non-current liabilities	12,403	18,492
Commitments and contingencies (Note 16)
Series D redeemable convertible preferred stock
Series D redeemable convertible preferred stock, $0.10 par value— Authorized— 3,636 shares as of March 31, 2019 and June 30, 2018 Issued and outstanding— none as of March 31, 2019 and June 30, 2018	0
Stockholders' equity:
Common stock, $0.10 par value— Authorized—210,000,000 shares Issued— 103,478,590 shares at March 31, 2019 and 103,130,300 shares at June 30, 2018 Outstanding— 69,108,515 shares at March 31, 2019 and 71,186,701 shares at June 30, 2018	10,348
Additional paid-in capital	730,830
Retained earnings	1,224,377	305,208
Accumulated other comprehensive income	1,229
Treasury stock, at cost—34,370,075 shares of common stock at March 31, 2019 and 31,943,599 shares at June 30, 2018	(1,541,499)
Total stockholders’ equity	425,285
Total liabilities and stockholders’ equity	$ 938,667	264,924
Accounting Standards Update 2014-09 [Member]
Current assets:
Cash and cash equivalents		96,165
Accounts receivable, net		41,810
Current contract assets		304,378
Contract costs		20,500
Prepaid expenses and other current assets		10,509
Prepaid income taxes		2,601
Total current assets		475,963
Property, equipment and leasehold improvements, net		9,806
Computer software development costs, net		646
Goodwill		75,590
Intangible assets, net		35,310
Non-current contract assets		340,622
Non-current deferred tax assets		11,090
Other non-current assets		1,297
Total assets		950,324
Current liabilities:
Accounts payable		4,230
Accrued expenses and other current liabilities		39,515
Income taxes payable		1,698
Borrowings under credit agreement		170,000
Current deferred revenue		15,150
Total current liabilities		230,593
Non-current deferred revenue		12,354
Deferred income taxes		214,125
Other non-current liabilities		17,068
Commitments and contingencies (Note 16)
Series D redeemable convertible preferred stock
Series D redeemable convertible preferred stock, $0.10 par value— Authorized— 3,636 shares as of March 31, 2019 and June 30, 2018 Issued and outstanding— none as of March 31, 2019 and June 30, 2018		0
Stockholders' equity:
Common stock, $0.10 par value— Authorized—210,000,000 shares Issued— 103,478,590 shares at March 31, 2019 and 103,130,300 shares at June 30, 2018 Outstanding— 69,108,515 shares at March 31, 2019 and 71,186,701 shares at June 30, 2018		10,313
Additional paid-in capital		715,475
Retained earnings		1,065,507
Accumulated other comprehensive income		1,388
Treasury stock, at cost—34,370,075 shares of common stock at March 31, 2019 and 31,943,599 shares at June 30, 2018		(1,316,499)
Total stockholders’ equity		476,184
Total liabilities and stockholders’ equity		$ 950,324