Stockholders' Equity (Narratives) (Details) - USD ($)				1 Months Ended		12 Months Ended
	Nov. 07, 2019	Nov. 08, 2018	Nov. 02, 2018	Feb. 29, 2020	Nov. 30, 2019	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Class Of Stock [Line Items]
Preferred stock shares outstanding						0
Stock repurchase, authorized amount			$ 60,000,000.0	$ 100,000,000.0
Payment for initial delivery of shares							$ 30,000,000	$ 15,000,000
Stock repurchase program period			2 years
Stock repurchase, increase in authorized amount				40,000,000.0
Stock repurchase program authorized repurchase amount				$ 30,000,000.0
Stock repurchase, extended period				3 years
Stock repurchase, extended period, effective date				Feb. 05, 2020
Accelerated Share Repurchase Agreement "November 2019"
Class Of Stock [Line Items]
Payment for initial delivery of shares					$ 30,000,000.0
Total number of shares repurchased					4,200,000	0
Average cash purchase price paid					$ 7.09
2013 Equity Incentive Plan
Class Of Stock [Line Items]
Increase in authorized shares for issuance	7,000,000.0					7,000,000.0
2014 Employee Stock Purchase Plan
Class Of Stock [Line Items]
Increase in authorized shares for issuance		7,500,000