SUBSEQUENT EVENTS (Details) (Subsequent Event [Member], National Process Equipment, Inc. [Member], USD $) In Millions, unless otherwise specified	0 Months Ended
	Apr. 16, 2013
Subsequent Event [Member] | National Process Equipment, Inc. [Member]
Subsequent Event [Line Items]
Subsequent event, date	Apr. 16, 2013
Purchase price, common stock	$ 3.5
Purchase price, cash paid	$ 37.8