Condensed Consolidated Balance Sheets (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 91,034	$ 245,935
Accounts receivable, net (Note 1)	407,286	459,952
Inventories (Note 1)	36,135	41,987
Prepaid expenses and other	63,408	38,657
Total current assets	597,863	786,531
Property, plant and equipment, net (Note 1)	157,000	175,567
Goodwill (Note 2)	636,471	636,471
Other intangible assets, net (Note 2)	224,350	233,817
Other assets	16,764	13,272
Total assets	1,632,448	1,845,658
Current liabilities:
Current portion long-term debt (Note 3)	15,000	7,058
Accounts payable	295,112	329,602
Progress billings	52,608	53,001
Accrued expenses (Note 4)	93,591	99,612
Total current liabilities	456,311	489,273
Long-term debt (Note 3)	591,310	699,169
Deferred income taxes	78,258	78,764
Other non-current liabilities	39,738	49,568
Total liabilities	1,165,617	1,316,774
Commitments and contingencies (Note 5)
Stockholders' equity:
Preferred stock ($0.01 par value; 25,000,000 shares authorized; no shares issued or outstanding at September 30, 2011 and December 31, 2010)
Common stock ($0.01 par value; 100,000,000 shares authorized; 65,389,749 and 65,283,749 shares issued at September 30, 2011 and December 31, 2010, respectively; 45,058,606 and 50,361,749 shares outstanding at September 30, 2011 and December 31, 2010, respectively)	654	653
Additional paid-in capital	125,507	124,988
Retained earnings	987,293	908,136
Accumulated other comprehensive income	2,784	3,299
Treasury stock, at cost (20,331,143 and 14,922,000 shares at September 30, 2011 and December 31, 2010, respectively)	(649,407)	(508,192)
Total stockholders' equity	466,831	528,884
Total liabilities and stockholders' equity	$ 1,632,448	$ 1,845,658