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Restructuring and Integration Costs (Details) (USD $)
In Thousands, unless otherwise specified
 6 Months Ended
Jun. 30, 2012
Restructuring and integration activities [Roll Forward]  
Exit activity liability, beginning of period $ 3,561
Restructuring and integration costs [Abstract]  
Amount provided for during 2012 137
Non-cash usage, including asset write-downs (63)
Cash payments (566)
Exit activity liability, end of period 3,069
Workforce Reduction [Member]
  
Restructuring and integration activities [Roll Forward]  
Exit activity liability, beginning of period 1,907
Restructuring and integration costs [Abstract]  
Amount provided for during 2012 74
Non-cash usage, including asset write-downs 0
Cash payments (525)
Exit activity liability, end of period 1,456
Other Exit Costs [Member]
  
Restructuring and integration activities [Roll Forward]  
Exit activity liability, beginning of period 1,654
Restructuring and integration costs [Abstract]  
Amount provided for during 2012 63
Non-cash usage, including asset write-downs (63)
Cash payments (41)
Exit activity liability, end of period $ 1,613