Balance Sheet Accounts and Supplemental Disclosures (Tables)

12 Months Ended

Dec. 31, 2011

Balance Sheet Accounts and Supplemental Disclosures [Abstract]

Receivables

The components of receivables were as follows (in thousands):

	December 31,
	2011		2010
Billed	$	77,505	$	56,035
Unbilled		255,209		268,836
Retainages due upon contract completion		753		1,672
Total	$	333,467	$	326,543

Property, Plant and Equipment

Property, plant and equipment consisted of the following (in thousands):

	December 31,
	2011			2010
Land	$	10,656		$	9,113
Buildings and leasehold improvements		80,885			78,534
Furniture, fixtures and equipment		262,906			215,623
Assets under construction		65,645			65,087
Software and other		27,063			23,791
		447,155			392,148
Accumulated depreciation and amortization		(187,183	)		(159,442	)
Total	$	259,972		$	232,706

Goodwill by Segment

Changes in the carrying amount of the company’s goodwill balances by reportable business segment are as follows (in thousands):

	Launch Vehicles		Satellites and Space Systems		Advanced Space Programs		Total
Balance at December 31, 2010	$	10,310	$	53,301	$	11,136	$	74,747
Goodwill resulting from business combination		—		216		298		514
Balance at December 31, 2011	$	10,310	$	53,517	$	11,434	$	75,261

Accrued Expenses

Accrued expenses consisted of the following (in thousands):

	December 31,
	2011		2010
Contract related accruals	$	142,735	$	150,831
Payroll related accruals		64,321		60,997
Interest		1,946		1,627
Other		11,933		15,452
Total	$	220,935	$	228,907

Cash Flow Supplemental Disclosures

Cash payments for interest and income taxes were as follows (in thousands):

	Years Ended December 31,
	2011		2010		2009
Interest paid	$	4,158	$	3,735	$	3,741
Income taxes paid		2,242		2,531		1,309