QUARTERLY FINANCIAL DATA (UNAUDITED), ACQUISITION-RELATED (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended					3 Months Ended						12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011	Dec. 31, 2013 Precise Machine [Member]	Jun. 30, 2013 D3 Technologies, Inc. [Member] Trademarks [Member]	Dec. 31, 2013 Valent Aerostructures, LLC [Member]	Jun. 30, 2013 Valent Aerostructures, LLC [Member]	Mar. 31, 2013 Valent Aerostructures, LLC [Member]	Dec. 31, 2012 Valent Aerostructures, LLC [Member]	Dec. 31, 2013 Valent Aerostructures, LLC [Member]
Business Acquisition [Line Items]
Non-recurring inventory step-up										$ 2,497
Impairment loss on intangible assets	4,222	[1],[2]	0	[1]	1,163		4,222
Contingent consideration write-off	7,950		0		1,235				7,950
Impairment loss on goodwill	73,528	[3]						73,528
Valuation allowance	17,718		0		0
Restructuring cost incurred in period						453		2,620
Unfavorable adjustments								955
Acquisition fees	$ 247		$ 5,362		$ 0						$ 4,860	$ 5,107

[1] The fair values of intangibles relating to the 2012 acquisitions of TASS and Valent were determined by third parties in connection with the purchase and recorded at those values.

[2] During the second quarter of 2013, a triggering event occurred when the Company commenced an initiative to rebrand its core engineering business. Under this initiative, the D3 Technologies name became obsolete and the $4,222 indefinite lived intangible asset related to that trade name was deemed to be fully impaired and a loss was recorded in the Consolidated Statements of Operations for the year ended December 31, 2013

[3] During the fourth quarter of 2013, the Company performed its annual impairment analysis of goodwill. As a result of this analysis, the goodwill related to the Valent acquisition was deemed impaired, and a $73,528 impairment charge was recorded in the Consolidated Statements of Operations for the year ended December 31, 2013.