Balance Sheet Information - Allowance for Doubtful Accounts, Capitalized Internal-Use Software and Property, Plant and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Jun. 30, 2016
Activity in allowance for doubtful accounts
Balance at beginning of period			$ 193
Charged to expense			60	$ 75
Write-offs			(9)
Balance at end of period	$ 244		244
Capitalized internal-use software and accumulated amortization
Capitalized internal-use software	41,400		41,400		$ 34,249
Accumulated amortization	(26,456)		(26,456)		(22,822)
Capitalized internal-use software, net	14,944		14,944		11,427
Property and equipment, net
Property and equipment, gross	55,735		55,735		45,244
Accumulated depreciation	(22,102)		(22,102)		(18,457)
Property and equipment, net	33,633		33,633		26,787
Depreciation expense	2,504	$ 1,632	4,707	3,029
Cost of revenue - recurring revenues
Capitalized internal-use software and accumulated amortization
Amortization of capitalized internal-use software	1,950	$ 1,423	3,634	$ 2,365
Office equipment
Property and equipment, net
Property and equipment, gross	3,538		3,538		2,528
Computer equipment
Property and equipment, net
Property and equipment, gross	22,882		22,882		18,139
Furniture and fixtures
Property and equipment, net
Property and equipment, gross	5,490		5,490		4,308
Software
Property and equipment, net
Property and equipment, gross	5,581		5,581		5,059
Leasehold improvements
Property and equipment, net
Property and equipment, gross	13,895		13,895		11,164
Time clocks rented by clients
Property and equipment, net
Property and equipment, gross	$ 4,349		$ 4,349		$ 4,046