ACQUISITIONS (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	9 Months Ended		0 Months Ended	3 Months Ended		9 Months Ended	0 Months Ended
	Sep. 30, 2014	Dec. 31, 2013	Oct. 18, 2013 Globe	Mar. 31, 2014 Globe	Sep. 30, 2013 Globe	Sep. 30, 2013 Globe	Oct. 18, 2013 Globe Customer lists	Oct. 18, 2013 Globe Trade name
ACQUISITIONS
Cash consideration paid			$ 90,000
Cash paid for acquisition			4,300
Amount received from seller for working capital adjustment	1,399			1,434
Purchase price allocation
Trade receivables, net			16,567
Inventories, net			11,142
Prepaid expenses and other assets			2,860
Property, plant and equipment			28,286
Amortizable intangible assets			34,040
Goodwill	19,611	20,233	14,062
Accounts payable			(10,622)
Accrued liabilities			(7,769)
Net purchase price			88,566
Amortization period of intangible assets							15 years	10 years
Unaudited pro forma financial information
Revenues					60,534	164,631
Net income					$ 2,141	$ 6,047
Diluted net income per share (in dollars per share)					$ 0.24	$ 0.67