Employee Benefit Plans (Summary of Stock Award Activity) (Details) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Sep. 30, 2019 USD ($) $ / shares shares
Number of Shares
Non-vested stock awards outstanding at June 30, 2019 | shares	7,736
Granted | shares	5,485
Released | shares	(1,486)
Cancelled | shares	(387)
Non-vested stock awards outstanding at September 30, 2019 | shares	11,348
Vested and expected to vest at September 30, 2019 | shares	10,785
Weighted-Average Grant Date Fair Value
Non-vested stock awards outstanding at June 30, 2019 | $ / shares	$ 7.67
Granted | $ / shares	6.83
Released | $ / shares	6.82
Cancelled | $ / shares	6.99
Non-vested stock awards outstanding at September 30, 2019 | $ / shares	7.43
Vested and expected to vest at September 30, 2019 | $ / shares	$ 7.33
Aggregate Fair Market Value
Non-vested stock awards outstanding at September 30, 2019 | $	$ 82,614
Vested and expected to vest at September 30, 2019 | $	$ 78,512