| Summary Of The Balance Sheet Impact, Including Benefit Obligations, Assets And Funded Status Of The Pension Plan | 
        
 
		
			
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						2012 
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						2011 
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						Change in benefit obligation: 
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						Benefit obligation at the beginning of the year 
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						$           
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5,150,000 
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						$ 
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4,919,000 
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						Service cost 
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275,000 
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36,000 
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						Interest cost 
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244,000 
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240,000 
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						Participant contributions 
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0 
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15,000 
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						Augmentations 
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0 
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45,000 
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						Actuarial (gains)/losses 
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325,000 
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62,000 
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						Benefits paid 
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(552,000)
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(162,000)
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						Foreign currency gains 
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233,000 
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(5,000)
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						Benefit obligation at the end of the year 
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5,675,000 
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5,150,000 
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						Change in plan assets: 
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						Fair value of plan assets at beginning of year 
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6,056,000 
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5,269,000 
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						Actual return on plan assets 
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(289,000)
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892,000 
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						Employer contributions 
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58,000 
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48,000 
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						Participant contributions 
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0 
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15,000 
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						Benefits paid 
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(552,000)
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(162,000)
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						Foreign currency losses 
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274,000 
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(6,000)
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						Fair value of plan assets at end of year 
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5,547,000 
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6,056,000 
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						Funded status at end of year – net asset /(liability) 
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						$ 
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(128,000)
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						$ 
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906,000 
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        | Summary Of Components Of Net Periodic Benefit Cost | 
        
 
		
			
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						2012 
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						2011 
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						2010 
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						Service cost 
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						$ 
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275,000 
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						$ 
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36,000 
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						$ 
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46,000 
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						Interest cost 
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244,000 
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240,000 
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258,000 
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						Expected return on assets 
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(262,000)
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(267,000)
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(244,000)
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						Amortization of prior service cost 
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						  - 
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46,000 
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						Net periodic pension cost 
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						$ 
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257,000 
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						$ 
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55,000 
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						$ 
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60,000 
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