CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 303,972	$ 252,415
Receivables, net	397,633	326,543
Inventories	54,313	56,217
Deferred income taxes, net	40,796	24,348
Other current assets	14,074	18,111
Total current assets	810,788	677,634
Investments	9,700	8,600
Property, plant and equipment, net	251,583	232,706
Goodwill	75,261	74,747
Deferred income taxes, net	22,277	47,806
Other non-current assets	27,575	21,043
Total assets	1,197,184	1,062,536
Current liabilities:
Accounts payable and accrued expenses	267,690	248,835
Deferred revenues and customer advances	158,116	112,182
Total current liabilities	425,806	361,017
Long-term obligations	129,745	125,535
Other non-current liabilities	16,969	7,367
Total liabilities	572,520	493,919
Commitments and contingencies
Stockholders' equity:
Preferred Stock, par value $.01; 10,000,000 shares authorized, none outstanding	0	0
Common Stock, par value $.01; 200,000,000 shares authorized, 58,747,734 and 58,239,875 shares outstanding, respectively	587	582
Additional paid-in capital	564,018	558,015
Accumulated other comprehensive loss	(1,996)	(2,011)
Retained Earnings	62,055	12,031
Total stockholders' equity	624,664	568,617
Total liabilities and stockholders' equity	$ 1,197,184	$ 1,062,536