Unaudited Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Cash flows from operating activities:
Net income	$ 22,102	$ 19,373
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based compensation expense	30,936	24,832
Depreciation and amortization expense	21,071	18,261
Deferred income tax benefit	(12,940)	(6,500)
Provision for credit losses	98	63
Net accretion of discounts and amortization of premiums on available-for-sale securities	255	(1,052)
Amortization of debt issuance costs	83	73
Other	515	250
Changes in operating assets and liabilities:
Accounts receivable	(1,287)	(53)
Deferred contract costs	(23,431)	(22,434)
Prepaid expenses and other	(3,388)	773
Accounts payable	1,070	261
Accrued expenses and other	(15,412)	2,231
Net cash provided by operating activities	19,672	36,078
Cash flows from investing activities:
Purchases of available-for-sale securities and other		(253,950)
Proceeds from sales and maturities of available-for-sale securities	58,996	124,780
Capitalized internal-use software costs	(14,832)	(12,139)
Purchases of property and equipment	(6,045)	(12,398)
Acquisition of business, net of cash acquired	(14,992)
Net cash provided by (used in) investing activities	23,127	(153,707)
Cash flows from financing activities:
Net change in client fund obligations	876,982	450,825
Proceeds from employee stock purchase plan	6,100	3,961
Taxes paid related to net share settlement of equity awards	(44,749)	(25,954)
Payment of debt issuance costs	(17)	(675)
Net cash provided by financing activities	838,316	428,157
Net change in cash, cash equivalents and funds held for clients' cash and cash equivalents	881,115	310,528
Cash, cash equivalents and funds held for clients' cash and cash equivalents-beginning of period	1,492,133	1,426,143
Cash, cash equivalents and funds held for clients' cash and cash equivalents-end of period	2,373,248	1,736,671
Supplemental Disclosure of Non-Cash Investing and Financing Activities
Liabilities assumed for acquisition	281
Supplemental Disclosure of Cash Flow Information
Cash paid for interest	584	53
Cash paid (refunds received) for income taxes	(110)	19
Reconciliation of cash, cash equivalents and funds held for clients' cash and cash equivalents to the Unaudited Consolidated Balance Sheets
Cash and cash equivalents	218,696	75,900
Funds held for clients' cash and cash equivalents	2,154,552	1,660,771
Total cash, cash equivalents and funds held for clients' cash and cash equivalents	$ 2,373,248	$ 1,736,671