Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 27, 2014	Dec. 31, 2013
Current Assets
Cash and cash equivalents	$ 40,852	$ 48,814
Accounts receivable, net of allowance for doubtful accounts of $275 and $489 at September 27, 2014 and December 31, 2013, respectively	104,396	91,909
Inventories	145,468	140,507
Production cost of contracts	10,375	11,599
Deferred income taxes	13,664	10,850
Other current assets	20,444	27,085
Total Current Assets	335,199	330,764
Property and Equipment, Net	93,181	96,090
Goodwill	161,940	161,940
Intangibles, Net	157,694	165,465
Other Assets	7,657	9,940
Total Assets	755,671	764,199
Current Liabilities
Current portion of long-term debt	26	25
Accounts payable	55,083	58,111
Accrued liabilities	42,916	45,453
Total Current Liabilities	98,025	103,589
Long-Term Debt, Less Current Portion	310,157	332,677
Deferred Income Taxes	73,078	68,489
Other Long-Term Liabilities	16,858	19,750
Total Liabilities	498,118	524,505
Commitments and Contingencies (Notes 8, 10)
Subsequent Event (Note 10)
Shareholders’ Equity
Common stock - $0.01 par value; 35,000,000 shares authorized; 10,945,806 and 10,960,054 issued at September 27, 2014 and December 31, 2013, respectively	109	110
Treasury stock, at cost; zero and 143,300 shares at September 27, 2014 and December 31, 2013, respectively	0	(1,924)
Additional paid-in capital	72,563	70,542
Retained earnings	188,551	174,828
Accumulated other comprehensive loss	(3,670)	(3,862)
Total Shareholders’ Equity	257,553	239,694
Total Liabilities and Shareholders’ Equity	$ 755,671	$ 764,199