Condensed Consolidated Balance Sheets (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Current Assets
Cash and cash equivalents	$ 51,280	$ 35,075
Accounts receivable, less allowances for doubtful accounts of $5,594 at June 30, 2011 and $6,011 at December 31, 2010	147,305	126,409
Inventories	205,752	192,542
Deferred tax assets	10,496	10,496
Unbilled contract revenue	17,556	12,751
Other current assets	12,193	12,797
Total Current Assets	444,582	390,070
Property, Plant and Equipment	258,795	256,053
Less accumulated depreciation	189,409	184,284
Property, Plant And Equipment, Net	69,386	71,769
Other Assets
Goodwill	9,891	9,100
Other	89,779	84,340
Total Assets	613,638	555,279
Current Liabilities
Trade accounts payable	116,483	95,690
Payable to affiliates	1,688	11,879
Accrued expenses	64,905	59,200
Current portion of long-term debt	1,291	13,756
Current portion of other postretirement benefits	2,178	2,178
Total Current Liabilities	186,545	182,703
Long-Term Liabilities, less current portion [Abstract]
Senior Notes	250,000	183,835
Revolving credit facility	90,500	113,300
Other long-term debt	4,948	5,322
Deferred tax liability	9,721	9,721
Other postretirement benefits and other long-term liabilities	22,754	22,863
Total Liabilities	377,923	335,041
Shareholder's Equity
Common Stock, par value $1 per share	0	0
Additional paid-in capital	47,100	47,850
Retained deficit	(3,986)	(12,723)
Accumulated other comprehensive income	6,056	2,408
Total shareholder's equity	49,170	37,535
Total liabilities and shareholder's equity	$ 613,638	$ 555,279