Condensed Consolidated Balance Sheets (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 118,962	$ 245,935
Accounts receivable, net (Note 1)	411,423	459,952
Inventories (Note 1)	39,219	41,987
Prepaid expenses and other	62,622	38,657
Total current assets	632,226	786,531
Property, plant and equipment, net (Note 1)	162,399	175,567
Goodwill (Note 2)	636,471	636,471
Other intangible assets, net (Note 2)	227,506	233,817
Other assets	17,573	13,272
Total assets	1,676,175	1,845,658
Current liabilities:
Current portion long-term debt (Note 3)	15,000	7,058
Accounts payable	320,193	329,602
Progress billings	44,615	53,001
Accrued expenses (Note 4)	85,589	99,612
Total current liabilities	465,397	489,273
Long-term debt (Note 3)	595,060	699,169
Deferred income taxes	80,003	78,764
Other non-current liabilities	45,830	49,568
Total liabilities	1,186,290	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 June 30, 2011 and December 31, 2010)
Common stock ($0.01 par value; 100,000,000 shares authorized; 65,371,689 and 65,283,749 shares issued at June 30, 2011 and December 31, 2010, respectively; 47,079,040 and 50,361,749 shares outstanding at June 30, 2011 and December 31, 2010, respectively)	654	653
Additional paid-in capital	123,898	124,988
Retained earnings	959,799	908,136
Accumulated other comprehensive earnings	6,776	3,299
Treasury stock, at cost (18,292,649 and 14,922,000 shares at June 30, 2011 and December 31, 2010, respectively)	(601,242)	(508,192)
Total stockholders' equity	489,885	528,884
Total liabilities and stockholders' equity	$ 1,676,175	$ 1,845,658