Stock-Based Compensation (Tables)

9 Months Ended

Mar. 31, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of stock-based compensation expense recognized

	Three Months Ended March 31,				Nine Months Ended March 31,
	2014		2013		2014		2013
Stock-based compensation included in indirect costs and selling expenses:
Restricted stock and restricted stock unit (RSU) expense	$	3,105	$	349	$	8,849	$	5,830
Non-qualified stock option and stock settled stock appreciation right (SSAR) expense		—		144		41		564
Total stock-based compensation expense	$	3,105	$	493	$	8,890	$	6,394
Income tax benefit recognized for stock-based compensation expense	$	1,146	$	201	$	3,378	$	2,417

Schedule of activity related to SSARs/non-qualified stock options and RSUs

	SSARs/ Non-qualified Stock Options			RSUs
Outstanding, June 30, 2013		275,550			1,042,746
Granted		—			248,214
Exercised/Issued		(169,170	)		(353,214	)
Forfeited/Lapsed		(3,230	)		(57,804	)
Outstanding, March 31, 2014		103,150			879,942
Weighted average grant date fair value for RSUs				$	72.20