XML 15 R39.htm IDEA: XBRL DOCUMENT v2.4.0.8
Acquisitions - Additional Information (Detail) (USD $)
3 Months Ended
Mar. 30, 2014
Mar. 31, 2013
Dec. 31, 2013
Business Acquisition [Line Items]      
Fair value of the consideration at the date of acquisition     $ 307,000,000
Net revenues 438,546,000 411,877,000  
Income from continuing operations before taxes 43,803,000 35,368,000  
Mayo Healthcare Pty Limited
     
Business Acquisition [Line Items]      
Fair value of the consideration at the date of acquisition 28,519,000    
Initial payment 29,000,000    
Working capital adjustment related to acquisition 500,000    
Transaction expenses 300,000    
Net revenues 4,100,000    
Income from continuing operations before taxes $ 600,000    
Mayo Healthcare Pty Limited | Customer Lists
     
Business Acquisition [Line Items]      
Useful life of intangible assets acquired, years 10 years