Segment Reporting - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012
Segment Reporting Information [Line Items]
Reportable operating segments			2
Restructuring charges			$ 31.2
Seating
Segment Reporting Information [Line Items]
Restructuring charges	3.7	2.4	18.9	6.3
EPMS
Segment Reporting Information [Line Items]
Restructuring charges	6.5	0.5	7.2	1.7
Corporate and regional headquarters and elimination of intercompany activity ("Other")
Segment Reporting Information [Line Items]
Restructuring charges	$ 4.0		$ 5.1	$ 0.2