Quarterly Financial Data (unaudited) (Tables)

12 Months Ended

Jun. 30, 2011

Quarterly Financial Data [Abstract]

Quarterly financial data

	First		Second		Third		Fourth
Year Ended June 30, 2011	Quarter		Quarter		Quarter		Quarter
Revenue	$	170,487	$	234,064	$	203,667	$	208,791
Cost of revenue		62,833		78,834		70,738		75,401
Net income		10,781		34,014		22,917		14,397
Net income per share:
Basic	$	0.25	$	0.78	$	0.53	$	0.33
Diluted	$	0.24	$	0.75	$	0.51	$	0.32

	First		Second		Third		Fourth
Year Ended June 30, 2010	Quarter		Quarter		Quarter		Quarter
Revenue	$	145,091	$	194,612	$	166,029	$	164,303
Cost of revenue		52,865		67,876		59,659		59,795
Net income		12,976		26,948		16,167		11,650
Net income per share:
Basic	$	0.30	$	0.62	$	0.37	$	0.27
Diluted	$	0.29	$	0.59	$	0.35	$	0.26