Commitments and Contingencies (Details) In Thousands, unless otherwise specified	9 Months Ended				9 Months Ended
	Sep. 30, 2012 USD ($)	Sep. 30, 2012 Subsidiaries [Member] USD ($)	Sep. 30, 2012 Subsidiaries acquired by Chemring Group PLC [Member] USD ($)	Jun. 24, 2010 Subsidiaries acquired by Chemring Group PLC [Member] USD ($)	Sep. 30, 2012 Indemnification provisions [Member] Subsidiaries acquired by Chemring Group PLC [Member]	Jun. 24, 2010 Indemnification provisions [Member] Subsidiaries acquired by Chemring Group PLC [Member] USD ($)	Sep. 30, 2012 Sea Space [Member] Indemnification provisions [Member] Subsidiaries [Member] USD ($)	Sep. 30, 2012 Titan [Member] Indemnification provisions [Member] Subsidiaries [Member] USD ($)	Sep. 30, 2012 VSK Group [Member] Indemnification provisions [Member] Subsidiaries [Member] USD ($)	Sep. 30, 2012 VSK Group [Member] Indemnification provisions [Member] Subsidiaries [Member] EUR (€)	Sep. 30, 2012 GMS [Member] Indemnification provisions [Member] Subsidiaries [Member] USD ($)	Sep. 30, 2012 NSM [Member] Indemnification provisions [Member] Subsidiaries [Member] USD ($)
Commitments and contingencies (Textual) [Abstract]
Operating lease expiration year	2013
Provisions estimated loss							$ 1,000	$ 950	$ 6,428	€ 5,000	$ 5,200	$ 863
Accrued liability related to indemnification		0	0
Cash paid to acquire assets				59,560
Company's indemnification liability is limited to, escrowed amount	$ 15,000					$ 15,000
Obligation Conditions					The Company’s indemnification obligations expire upon the earlier of (i) June 30, 2015 and (ii) the Company’s entry into either a court or administrative order or a Chemring-approved settlement agreement, in either case, finally resolving the matters relating to the DOJ’s subpoena
Indemnification obligations expire					Jun. 30, 2015
Escrowed funds may be released	50.00%
Escrowed funds release date			Jun. 24, 2013