Employee Benefit Plans (Shares Reserved for Issuance) (Details) - shares shares in Thousands	Jun. 30, 2021	Jun. 30, 2020
Class Of Stock [Line Items]
Shares reserved for issuance	21,526	30,878
2014 Employee Stock Purchase Plan
Class Of Stock [Line Items]
Shares reserved for issuance	4,414	7,364
2013 Equity Incentive Plan Shares Available for Grant
Class Of Stock [Line Items]
Shares reserved for issuance	6,753	13,118
Employee Stock Options and Awards Outstanding
Class Of Stock [Line Items]
Shares reserved for issuance	10,359	10,396