Stockholders' Equity (Summary of Share Repurchases Under Stock Award Activity) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Equity [Abstract]
Total number of shares repurchased	381,000		4,232,000	2,366,000
Average price paid per share	$ 12.64		$ 7.09	$ 6.34
Total cost of shares repurchased	$ 4,821		$ 30,000	$ 15,000
Dollar value of shares that may yet be repurchased under program	$ 55,000	$ 45,000	$ 55,000	$ 45,000