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Segment Reporting - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 29, 2012
Oct. 01, 2011
Sep. 29, 2012
Oct. 01, 2011
Segment Reporting Information [Line Items]        
Reportable operating segments     2  
Restructuring charges     $ 11.0  
Seating
       
Segment Reporting Information [Line Items]        
Restructuring charges 2.2 8.6 8.5 12.0
EPMS
       
Segment Reporting Information [Line Items]        
Restructuring charges 0.8 0.8 2.4 1.9
Other
       
Segment Reporting Information [Line Items]        
Restructuring charges $ (0.1) $ (0.1) $ 0.2