CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Dec. 31, 2018	Jun. 30, 2018
Current assets:
Cash and cash equivalents	$ 54,428	$ 96,165
Accounts receivable, net	56,586	21,910
Current contract assets	321,135	0
Contract costs	23,046	0
Prepaid expenses and other current assets	10,330
Prepaid income taxes	921
Total current assets	466,446
Property, equipment and leasehold improvements, net	8,311	9,806
Computer software development costs, net	691
Goodwill	74,802
Intangible assets, net	32,889	35,310
Non-current contract assets	366,581	0
Non-current contract costs	0
Non-current deferred tax assets	1,651
Other non-current assets	1,075
Total assets	952,446
Current liabilities:
Accounts payable	5,249
Accrued expenses and other current liabilities	36,688	39,515
Income taxes payable	43,573
Borrowings under credit agreement	220,000
Current deferred revenue	23,145	286,845
Total current liabilities	328,655
Non-current deferred revenue	18,167	28,259
Deferred income taxes	157,238	0
Other non-current liabilities	16,192	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 December 31, 2018 and June 30, 2018 Issued and outstanding— none as of December 31, 2018 and June 30, 2018	0
Stockholders' deficit:
Common stock, $0.10 par value— Authorized—210,000,000 shares Issued— 103,395,683 shares at December 31, 2018 and 103,130,300 shares at June 30, 2018 Outstanding— 69,803,177 shares at December 31, 2018 and 71,186,701 shares at June 30, 2018	10,340
Additional paid-in capital	725,493
Retained earnings	1,162,790	305,208
Accumulated other comprehensive income	70
Treasury stock, at cost—33,592,506 shares of common stock at December 31, 2018 and 31,943,599 shares at June 30, 2018	(1,466,499)
Total stockholders’ equity	432,194
Total liabilities and stockholders’ equity	$ 952,446
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 contract costs		0
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 December 31, 2018 and June 30, 2018 Issued and outstanding— none as of December 31, 2018 and June 30, 2018		0
Stockholders' deficit:
Common stock, $0.10 par value— Authorized—210,000,000 shares Issued— 103,395,683 shares at December 31, 2018 and 103,130,300 shares at June 30, 2018 Outstanding— 69,803,177 shares at December 31, 2018 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—33,592,506 shares of common stock at December 31, 2018 and 31,943,599 shares at June 30, 2018		(1,316,499)
Total stockholders’ equity		476,184
Total liabilities and stockholders’ equity		$ 950,324