ACQUISITIONS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012	Dec. 31, 2012 Tennessee Rand, Inc.	Nov. 12, 2012 Kaliburn, Burny and Cleveland Motion Control	Apr. 30, 2012 Wayne Trail	Dec. 31, 2011 Weartech
Acquisitions
Annual sales at the date of acquisition	$ 691,875	$ 697,552	$ 2,137,880	$ 2,168,719		$ 35,000	$ 36,000	$ 50,000	$ 40,000
Consideration paid in cash and assumed debt					143,456
Fair value of net assets acquired					71,727
Goodwill from acquisition					$ 71,729