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Summary of Changes in Carrying Amount of Goodwill (Detail) (USD $)
In Millions, unless otherwise specified
9 Months Ended
Sep. 28, 2013
Dec. 31, 2012
Sep. 28, 2013
Seating
Goodwill [Line Items]      
Beginning balance $ 753.1 [1] $ 746.5 $ 746.5
Foreign currency translation and other     6.6
Ending balance $ 753.1 [1] $ 746.5 $ 753.1
[1] Unaudited.