Summary of Restructuring, Restatement Related Costs and Other Expense (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 5,057	$ 8,051	$ 2,048
Restatement related costs and other charges			62
Acquisition related charges	1,630	791
Post-emergence fees	0	0	296
Total restructuring, restatement related costs, post-emergence fees and other	6,687	8,842	2,406
Novi and United Kingdom
Restructuring Cost and Reserve [Line Items]
Restructuring charges		40
Germany And Other
Restructuring Cost and Reserve [Line Items]
Restructuring charges	8	276	81
2011 Restructuring
Restructuring Cost and Reserve [Line Items]
Restructuring charges	2,283	6,057	1,967
2012 Restructuring
Restructuring Cost and Reserve [Line Items]
Restructuring charges		1,758
2013 Restructuring
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 2,766