Stock-Based Compensation (Tables)

6 Months Ended

Dec. 31, 2012

Stock-Based Compensation [Abstract]

Summary Of Stock-Based Compensation Expense Recognized

	Three Months Ended December 31,		Six Months Ended December 31,
	2012	2011	2012	2011
Stock-based compensation included in indirect costs and selling expenses:
Restricted stock and restricted stock unit (RSU) expense	$3,327	$3,620	$5,481	$6,226
Non-qualified stock option and stock settled stock appreciation right (SSAR) expense	174	411	420	1,017
Total stock-based compensation expense	$3,501	$4,031	$5,901	$7,243
Income tax benefit recognized for stock-based compensation expense	$1,302	$1,596	$2,216	$2,877

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, 2012	1,683,698	1,651,321
Granted	—	284,637
Exercised/Issued	(489,429)	(224,896)
Forfeited/Lapsed	(551,124)	(543,360)
Outstanding, December  31, 2012	643,145	1,167,702
Weighted average grant date fair value for RSUs/restricted shares granted during the six months ended December 31, 2012		$ 65.77