Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2014

Schedule of stock repurchases made under open market

Pursuant to this program, the Company made open market purchases as follows (aggregate cost excludes broker commissions and is reflected in millions):

Period	Total Number of Shares Purchased		Average Price Paid per Share		Aggregate Cost
November 11, 2011 - December 31, 2011		671,776	$	48.72	$	32.7
January 1, 2012 - December 31, 2012		459,252		50.27		23.1
January 1, 2013 - December 31, 2013		1,159,871		51.83		60.1
January 1, 2014 - September 30, 2014		2,453,224		57.97		142.2

		4,744,123			$	258.1

Summary of activity related to restructuring liabilities

The following table summarizes the activity related to the employee termination cost aspect of the restructuring liabilities for the nine months ended September 30, 2014, by reportable segment (in thousands):

	Commercial			Public Sector			Corporate			Consolidated
Liability for employee termination costs at December 31, 2013	$	4,744		$	4,296		$	3,429		$	12,469
Additions		840			767			125			1,732
Payments		(2,205	)		(3,421	)		(2,303	)		(7,929	)
Liability released		(12	)		(530	)		(20	)		(562	)

Liability for employee termination costs at September 30, 2014	$	3,367		$	1,112		$	1,231		$	5,710