CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 366,017	$ 265,837
Receivables	509,369	583,518
Inventories	61,331	61,675
Deferred income taxes, net	35,039	30,154
Other current assets	15,262	9,889
Total current assets	987,018	951,073
Property, plant and equipment, net	233,861	246,060
Goodwill	71,260	71,260
Other non-current assets	15,040	16,368
Total assets	1,307,179	1,284,761	[1]
Current liabilities:
Accounts payable and accrued expenses	245,096	281,631
Deferred revenues and customer advances	40,018	21,250
Current portion of long-term debt	7,500	8,236
Total current liabilities	292,614	311,117
Long-term debt	131,250	135,000
Deferred income tax, net	23,139	26,611
Other non-current liabilities	29,421	16,732
Total liabilities	476,424	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, 60,591,952 and 60,515,556 shares outstanding, respectively	606	605
Additional paid-in capital	592,056	587,240
Accumulated other comprehensive loss	(1,049)	(1,341)
Retained earnings	239,142	208,797
Total stockholders' equity	830,755	795,301
Total liabilities and stockholders' equity	$ 1,307,179	$ 1,284,761

[1] As of December 31, 2013.