Business Combinations - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended				0 Months Ended				12 Months Ended	0 Months Ended
	Dec. 31, 2011	Dec. 31, 2011 Before Acquisition	Dec. 31, 2011 After Acquisition	Dec. 31, 2011 After Purchase Option	Jan. 28, 2011 Bostrom Seating, Inc. Facility	Jul. 27, 2011 Stratos Seating	Nov. 05, 2012 Vijayjyot Leases	Nov. 05, 2012 Vijayjyot Maximum	Dec. 31, 2013 Vijayjyot Forecast on second anniversary	Dec. 28, 2012 Daltek, Llc Leases
Business Acquisition [Line Items]
Cash consideration of acquisition					$ 8.8	$ 2.3	$ 14.0			$ 10.6
Contingent consideration, deferred purchase price							1.7		1.7	2.5
Total consideration								16.2		13.2
Number of leased facilities							3			2
Deferred cash consideration of acquisition										$ 2.5
Cash consideration payment deferment period										18 months
Percentage of ownership on joint venture by parent		90.00%	99.00%
Percentage of ownership on joint venture by Hema		10.00%	0.26%	10.00%
Purchase option period to acquire equity stake	18 months
Number of owned manufacturing facility					1