Stock-Based Compensation (Tables)

9 Months Ended

Mar. 31, 2017

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Stock-Based Compensation Expense Recognized

Stock-based compensation expense recognized, together with the income tax benefits recognized, is as follows (in thousands):

	Three Months Ended				Nine Months Ended
	March 31,				March 31,
	2017		2016		2017		2016
Total stock-based compensation related to RSUs included in    indirect costs and selling expense	$	5,557	$	4,856	$	16,114	$	13,329
Income tax benefit recognized for stock-based compensation    expense	$	1,490	$	1,719	$	5,435	$	4,897

Schedule of Activity Related to RSUs

Activity related to RSUs during the nine months ended March 31, 2017 is as follows:

	RSUs
Outstanding, June 30, 2016		873,854
Granted		240,985
Vested		(222,118	)
Forfeited		(52,177	)
Outstanding, March 31, 2017		840,544
Weighted-average grant date fair value for RSUs	$	103.23