Summary of Changes in Carrying Amount of Goodwill (Detail) (USD $) In Millions, unless otherwise specified				6 Months Ended
	Jun. 29, 2013		Dec. 31, 2012	Jun. 29, 2013 Seating
Goodwill [Line Items]
Beginning balance	$ 745.1	[1]	$ 746.5	$ 746.5
Foreign currency translation and other				(1.4)
Ending balance	$ 745.1	[1]	$ 746.5	$ 745.1

[1] Unaudited.