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Restructuring and Integration Costs (Details) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 30, 2013
Restructuring and integration activities [Roll Forward]  
Exit activity liability, beginning of period $ 3,779
Amount provided for during 2013 618
Cash payments (1,385)
Exit activity liability, end of period 3,012
Workforce Reduction [Member]
 
Restructuring and integration activities [Roll Forward]  
Exit activity liability, beginning of period 2,226
Amount provided for during 2013 339
Cash payments (752)
Exit activity liability, end of period 1,873
Other Exit Costs [Member]
 
Restructuring and integration activities [Roll Forward]  
Exit activity liability, beginning of period 1,553
Amount provided for during 2013 219
Cash payments (633)
Exit activity liability, end of period $ 1,139