CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 286,742	$ 252,415
Receivables, net	447,418	326,543
Inventories	52,531	56,217
Deferred income taxes, net	34,260	24,348
Other current assets	8,067	18,111
Total current assets	829,018	677,634
Investments	9,700	8,600
Property, plant and equipment, net	249,061	232,706
Goodwill	75,261	74,747
Deferred income taxes, net	33,923	47,806
Other non-current assets	27,294	21,043
Total assets	1,224,257	1,062,536
Current liabilities:
Accounts payable and accrued expenses	298,164	248,835
Deferred revenues and customer advances	183,960	112,182
Total current liabilities	482,124	361,017
Long-term obligations	128,308	125,535
Other non-current liabilities	5,764	7,367
Total liabilities	616,196	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, 58,458,374 and 58,239,875 shares outstanding, respectively	585	582
Additional paid-in capital	562,931	558,015
Accumulated other comprehensive loss	(1,038)	(2,011)
Retained Earnings	45,583	12,031
Total stockholders' equity	608,061	568,617
Total liabilities and stockholders' equity	$ 1,224,257	$ 1,062,536