CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 350,800	$ 265,837
Receivables	453,885	583,518
Inventories	52,081	61,675
Deferred income taxes, net	31,237	30,154
Other current assets	21,984	9,889
Total current assets	909,987	951,073
Property, plant and equipment, net	236,947	246,060
Goodwill	71,260	71,260
Other non-current assets	15,637	16,368
Total assets	1,233,831	1,284,761	[1]
Current liabilities:
Accounts payable and accrued expenses	218,918	281,631
Deferred revenues and customer advances	17,341	21,250
Current portion of long-term debt	7,500	8,236
Total current liabilities	243,759	311,117
Long-term debt	133,125	135,000
Deferred income tax, net	17,307	26,611
Other non-current liabilities	27,585	16,732
Total liabilities	421,776	489,460
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, 60,567,949 and 60,515,556 shares outstanding, respectively	606	605
Additional paid-in capital	589,938	587,240
Accumulated other comprehensive loss	(1,098)	(1,341)
Retained earnings	222,609	208,797
Total stockholders' equity	812,055	795,301
Total liabilities and stockholders' equity	$ 1,233,831	$ 1,284,761

[1] As of December 31, 2013.