QUARTERLY FINANCIAL DATA (UNAUDITED) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended												12 Months Ended
	Dec. 31, 2013		Sep. 30, 2013	Jun. 30, 2013		Mar. 31, 2013		Dec. 31, 2012		Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Selected Quarterly Financial Information [Abstract]
Net sales	$ 96,370	[1]	$ 104,656	$ 105,465	[2]	$ 106,066	[3]	$ 71,917	[4]	$ 70,636	$ 69,327	$ 66,749	$ 412,557	$ 278,629	$ 254,040
Gross profit	17,549	[1]	20,418	21,841	[2]	20,054	[3]	16,239	[4]	18,584	16,967	16,518	79,862	68,308	59,650
Net income (loss)	$ (67,061)	[1]	$ 2,075	$ 4,664	[2]	$ 1,837	[3]	$ 951	[4]	$ 5,639	$ 5,105	$ 4,792	$ (58,485)	$ 16,487	$ 16,389
Amounts per common share:
Net income (loss) (in dollars per share)	$ (5.31)	[1]	$ 0.16	$ 0.37	[2]	$ 0.15	[3]	$ 0.08	[4]	$ 0.48	$ 0.44	$ 0.41	$ (4.64)	$ 1.41	$ 1.42
Net income (loss) - assuming dilution (in dollars per share)	$ (5.31)	[1]	$ 0.16	$ 0.37	[2]	$ 0.14	[3]	$ 0.08	[4]	$ 0.48	$ 0.43	$ 0.41	$ (4.64)	$ 1.39	$ 1.40

[1] The fourth quarter of 2013 includes a goodwill impairment charge of $73,528 related to the Valent acquisition, $17,718 related to income tax valuation allowance, $2,620 related to a separation agreement reached with key members of Valent Aerostructures, LLC. and $453 of restructuring expenses related to the closure of the Precise Machine facility.

[2] The second quarter of 2013 includes a trade name impairment of $4,222 related to D3 Technologies offset by a contingent consideration write-off of $7,950 related to Valent.

[3] The first quarter 2013 includes $2,497 of non-recurring inventory step-up related to the Valent acquisition.

[4] The fourth quarter of 2012 includes $4,860 in acquisition fees related to Valent.