Stock-Based Compensation (Tables)

3 Months Ended

Sep. 30, 2011

Stock-Based Compensation [Abstract]

Summary Of Components Of Stock-Based Compensation Expense Recognized

	Three Months Ended September 30,
	2011	2010
Stock-based compensation included in indirect costs and selling expenses:
Non-qualified stock option and stock settled stock appreciation right (SSAR) expense	$           606	$        1,387
Restricted stock and restricted stock unit (RSU) expense	2,606	3,519
Total stock-based compensation expense	$        3,212	$        4,906
Income tax benefit recognized for stock-based compensation expense	$        1,281	$        1,856

Summary Of Activity Related To SSARs/Non-Qualified Stock Options And RSUs/Restricted Shares Issued

	SSARs/ Non-qualified Stock Options	RSUs/ Restricted Shares
Outstanding, June 30, 2011	2,110,304	1,322,101
Granted	—	741,193
Exercised/Issued	(34,330 )	(232,306 )
Forfeited/Lapsed	(6,380 )	(183,725 )
Outstanding, September 30, 2011	2,069,594	1,647,263
Weighted average grant date fair value for RSUs/restricted shares		$           46.32