Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net income	$ 59,505	$ 43,582
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based compensation expense	34,348	28,837
Depreciation and amortization expense	27,832	25,213
Deferred income tax expense	1,544	4,584
Provision for doubtful accounts	232	220
Net accretion of discounts and amortization of premiums on available-for-sale securities	(1,673)	(1,607)
Amortization of debt issuance costs	113
Loss on disposal of equipment	331	399
Changes in operating assets and liabilities:
Accounts receivable	(1,635)	(1,904)
Deferred contract costs	(37,829)	(25,359)
Prepaid expenses and other	68	(1,485)
Accounts payable	863	596
Accrued expenses and other	3,096	5,299
Tenant improvement allowance		784
Net cash provided by operating activities	86,795	79,159
Cash flows from investing activities:
Purchases of available-for-sale securities and other	(400,343)	(210,374)
Proceeds from sales and maturities of available-for-sale securities	250,791	161,306
Capitalized internal-use software costs	(19,213)	(14,706)
Purchases of property and equipment	(14,578)	(9,621)
Lease allowances used for tenant improvements		(784)
Net cash used in investing activities	(183,343)	(74,179)
Cash flows from financing activities:
Net change in client fund obligations	334,707	496,695
Repurchases of common shares		(34,991)
Proceeds from exercise of stock options		85
Proceeds from employee stock purchase plan	3,961	2,824
Taxes paid related to net share settlement of equity awards	(33,136)	(21,749)
Payment of debt issuance costs	(675)
Net cash provided by financing activities	304,857	442,864
Net change in cash, cash equivalents and funds held for clients' cash and cash equivalents	208,309	447,844
Cash, cash equivalents and funds held for clients' cash and cash equivalents-beginning of period	1,426,143	1,239,731
Cash, cash equivalents and funds held for clients' cash and cash equivalents-end of period	1,634,452	1,687,575
Supplemental Disclosure of Non-Cash Investing and Financing Activities
Purchases of property and equipment, accrued but not paid		3,529
Supplemental Disclosure of Cash Flow Information
Cash paid for interest	115
Cash paid for income taxes	24	375
Reconciliation of cash, cash equivalents and funds held for clients' cash and cash equivalents to the Consolidated Balance Sheets
Cash and cash equivalents	114,325	90,856
Funds held for clients' cash and cash equivalents	1,520,127	1,596,719
Total cash, cash equivalents and funds held for clients' cash and cash equivalents	$ 1,634,452	$ 1,687,575