CONCENTRATION OF CREDIT RISK AND MAJOR CUSTOMERS (Details)	3 Months Ended		12 Months Ended
	Mar. 31, 2015 item	Mar. 31, 2014 item	Dec. 31, 2014
General Electric
Major customers and concentration of credit risk
Number of divisions	2	2
Credit concentration risk
Major customers and concentration of credit risk
Excess cash balance, number of high credit quality financial institution	2
Net sales | Customer concentration risk
Major customers and concentration of credit risk
Percentage of export sales to consolidated net sales	7.00%	13.00%
Net sales | Customer concentration risk | General Electric
Major customers and concentration of credit risk
Percentage of concentration risk (as a percent)	10.00%	10.00%
Net sales | Customer concentration risk | GE Healthcare
Major customers and concentration of credit risk
Percentage of concentration risk (as a percent)	17.00%	24.00%
Net sales | Customer concentration risk | GE Transportation
Major customers and concentration of credit risk
Percentage of concentration risk (as a percent)	9.00%	5.00%
Accounts receivable | Customer concentration risk | GE Healthcare and GE Transportation
Major customers and concentration of credit risk
Percentage of concentration risk (as a percent)	18.00%		19.00%