v2.4.0.6
Other Operating Expense Net Changes in Accrued Liabilities (Details) (USD $)
In Thousands, unless otherwise specified
 6 Months Ended
Jun. 29, 2012
Orthopaedic Facility Optimization [Member]
  
Restructuring Reserve [Roll Forward]  
Restructuring Reserve, Beginning Balance $ 0
Restructuring charges 2,322
Write-offs 0
Cash payments (2,322)
Restructuring Reserve, Ending Balance 0
Medical Device Facility Optimization [Member]
  
Restructuring Reserve [Roll Forward]  
Restructuring Reserve, Beginning Balance 0
Restructuring charges 894
Write-offs 0
Cash payments (894)
Restructuring Reserve, Ending Balance 0
ERP System Upgrade [Member]
  
Restructuring Reserve [Roll Forward]  
Restructuring Reserve, Beginning Balance 0
Restructuring charges 2,807
Write-offs (1,792)
Cash payments (555)
Restructuring Reserve, Ending Balance 460
Severance and retention [Member] | Orthopaedic Facility Optimization [Member]
  
Restructuring Reserve [Roll Forward]  
Restructuring Reserve, Beginning Balance 0
Restructuring charges 26
Write-offs 0
Cash payments (26)
Restructuring Reserve, Ending Balance 0
Production inefficiencies, moving and revalidation [Member] | Orthopaedic Facility Optimization [Member]
  
Restructuring Reserve [Roll Forward]  
Restructuring Reserve, Beginning Balance 0
Restructuring charges 1,218
Write-offs 0
Cash payments (1,218)
Restructuring Reserve, Ending Balance 0
Production inefficiencies, moving and revalidation [Member] | Medical Device Facility Optimization [Member]
  
Restructuring Reserve [Roll Forward]  
Restructuring Reserve, Beginning Balance 0
Restructuring charges 205
Write-offs 0
Cash payments (205)
Restructuring Reserve, Ending Balance 0
Training And Consulting Costs [Member] | ERP System Upgrade [Member]
  
Restructuring Reserve [Roll Forward]  
Restructuring Reserve, Beginning Balance 0
Restructuring charges 1,015
Write-offs 0
Cash payments (555)
Restructuring Reserve, Ending Balance 460
Accelerated depreciation and asset write-offs [Member] | Orthopaedic Facility Optimization [Member]
  
Restructuring Reserve [Roll Forward]  
Restructuring Reserve, Beginning Balance 0
Restructuring charges 0
Write-offs 0
Cash payments 0
Restructuring Reserve, Ending Balance 0
Accelerated depreciation and asset write-offs [Member] | ERP System Upgrade [Member]
  
Restructuring Reserve [Roll Forward]  
Restructuring Reserve, Beginning Balance 0
Restructuring charges 1,792
Write-offs (1,792)
Cash payments 0
Restructuring Reserve, Ending Balance 0
Personnel [Member] | Orthopaedic Facility Optimization [Member]
  
Restructuring Reserve [Roll Forward]  
Restructuring Reserve, Beginning Balance 0
Restructuring charges 624
Write-offs 0
Cash payments (624)
Restructuring Reserve, Ending Balance 0
Personnel [Member] | Medical Device Facility Optimization [Member]
  
Restructuring Reserve [Roll Forward]  
Restructuring Reserve, Beginning Balance 0
Restructuring charges 99
Write-offs 0
Cash payments (99)
Restructuring Reserve, Ending Balance 0
Other [Member] | Orthopaedic Facility Optimization [Member]
  
Restructuring Reserve [Roll Forward]  
Restructuring Reserve, Beginning Balance 0
Restructuring charges 454
Write-offs 0
Cash payments (454)
Restructuring Reserve, Ending Balance 0
Other [Member] | Medical Device Facility Optimization [Member]
  
Restructuring Reserve [Roll Forward]  
Restructuring Reserve, Beginning Balance 0
Restructuring charges 590
Write-offs 0
Cash payments (590)
Restructuring Reserve, Ending Balance $ 0