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Related Party Transactions
12 Months Ended
Dec. 31, 2011
Related Party Transactions [Abstract]  
Related Party Transactions
19) Related Party Transactions

With the acquisition of Whirlaway, we entered into operating leases covering two of the Whirlaway manufacturing facilities with a company owned by the former owner of Whirlaway who was an officer of NN until September 1, 2011. The rent payments in 2011, 2010 and 2009 to this related party were $644 each year.