XML 36 R7.htm IDEA: XBRL DOCUMENT

Organization and Nature of Operations	6 Months Ended
Organization and Nature of Operations	Jul. 02, 2011
Organization and Nature of Operations/Basis of Presentation [Abstract]
Organization and Nature of Operations	1. Organization and Nature of Operations Headquartered in Braintree, Massachusetts, Altra Holdings, Inc. (the “Company”), through its wholly-owned subsidiary Altra Industrial Motion, Inc. (“Altra Industrial”), is a leading multi-national designer, producer and marketer of a wide range of mechanical power transmission products. The Company brings together strong brands covering over 50 product lines with production facilities in nine countries and sales coverage in over 70 countries. The Company’s leading brands include Boston Gear, Warner Electric, TB Wood’s, Formsprag Clutch, Ameridrives Couplings, Industrial Clutch, Kilian Manufacturing, Marland Clutch, Nuttall Gear, Stieber Clutch, Wichita Clutch, Twiflex Limited, Bibby Transmissions, Matrix International, Inertia Dynamics, Huco Dynatork, Warner Linear, and Bauer Gear Motor.