REDEEMABLE NONCONTROLLING INTERESTS (Details Textuals) (USD $)			1 Months Ended
	Jan. 31, 2013	Oct. 31, 2012	Dec. 31, 2012 Flight Support Group [Member]
Business Acquisition [Line Items]
Management's estimate of the aggregate redemption amount of all put rights	$ 51,218,000	$ 67,166,000
Estimated Redemption Amount of equity interest redeemable at fair value	42,000,000
Estimated Redemption Amount of equity interest redeemable based on a multiple of future earnings	$ 9,000,000
Business Acquisition Percentage Of Voting Interests Acquired From Minority			13.30%