CREDIT FACILITIES (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Line of Credit Facility [Line Items]
Weighted average interest rate on short-term borrowings	4.30%	4.30%	4.30%
Revolving Credit [Member]
Line of Credit Facility [Line Items]
Secured revolving credit agreement, maximum borrowing capacity	$ 125.0
Line of credit facility optional maximum borrowing capacity subject to conditions	200.0
Term of credit facility	5 years
Credit facility, maturing date	Oct. 26, 2015
Percentage of eligible accounts receivable for borrowings, maximum (in hundredths)	85.00%
Percentage of qualified inventories for borrowings, maximum (in hundredths)	40.00%
Variable rate basis	LIBOR or the Prime Rate
Eligible collateral letters of credit	121.9
Availability under line of credit	116.4
Total outstanding letters of credit	$ 5.5