Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 29, 2013	Dec. 31, 2012
Current Assets
Cash and cash equivalents	$ 33,510	$ 46,537
Accounts receivable, net	105,577	97,300
Unbilled receivables	4,093	3,556
Inventories	148,906	148,318
Production cost of contracts	19,049	17,960
Deferred income taxes	7,016	10,459
Other current assets	13,912	10,441
Total Current Assets	332,063	334,571
Property and Equipment, Net	95,602	98,383
Goodwill	161,940	161,940
Intangibles, Net	170,911	176,356
Other Assets	12,310	13,824
Total Assets	772,826	785,074
Current Liabilities
Current portion of long-term debt	3,033	3,042
Accounts payable	50,864	52,578
Accrued liabilities	48,392	52,716
Total Current Liabilities	102,289	108,336
Long-Term Debt, Less Current Portion	347,690	362,702
Deferred Income Taxes	65,980	67,808
Other Long-Term Liabilities	22,900	23,553
Total Liabilities	538,859	562,399
Commitments and Contingencies
Shareholders' Equity
Common stock - $0.01 par value; authorized 35,000,000 shares; issued 10,822,180 shares in 2013 and 10,738,065 shares in 2012	108	107
Treasury stock - held in treasury 143,300 shares in 2013 and 2012	(1,924)	(1,924)
Additional paid-in capital	68,211	66,475
Retained earnings	174,696	165,485
Accumulated other comprehensive loss	(7,124)	(7,468)
Total Shareholders' Equity	233,967	222,675
Total Liabilities and Shareholder's Equity	$ 772,826	$ 785,074