Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 28, 2013	Dec. 31, 2012
Current Assets
Cash and cash equivalents	$ 32,597	$ 46,537
Accounts receivable, net	92,637	97,300
Unbilled receivables	6,615	3,556
Inventories	148,524	148,318
Production cost of contracts	19,926	17,960
Deferred income taxes	7,110	10,459
Other current assets	16,890	10,441
Total Current Assets	324,299	334,571
Property and Equipment, Net	93,840	98,383
Goodwill	161,940	161,940
Intangibles, Net	168,188	176,356
Other Assets	11,779	13,824
Total Assets	760,046	785,074
Current Liabilities
Current portion of long-term debt	3,029	3,042
Accounts payable	49,668	52,578
Accrued liabilities	39,320	52,716
Total Current Liabilities	92,017	108,336
Long-Term Debt, Less Current Portion	340,184	362,702
Deferred Income Taxes	64,504	67,808
Other Long-Term Liabilities	22,097	23,553
Total Liabilities	518,802	562,399
Commitments and Contingencies
Shareholders' Equity
Common stock - $0.01 par value; authorized 35,000,000 shares; issued 10,923,469 shares in 2013 and 10,738,065 shares in 2012	109	107
Treasury stock - held in treasury 143,300 shares in 2013 and 2012	(1,924)	(1,924)
Additional paid-in capital	70,679	66,475
Retained earnings	179,332	165,485
Accumulated other comprehensive loss	(6,952)	(7,468)
Total Shareholders' Equity	241,244	222,675
Total Liabilities and Shareholders' Equity	$ 760,046	$ 785,074