Goodwill and Other Intangible Assets Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Apr. 10, 2013 A.M. Holdings S.A.S (AIXAM)
Intangible Assets and Goodwill [Line Items]
Goodwill	$ 126,697,000	$ 56,324,000	$ 44,668,000
Total other intangible assets, net	103,011,000	50,892,000
Acquisition cost				141,189,000
Acquisition cost, net of cash acquired				134,817,000
Amortization expense of intangible assets	9,178,000	2,787,000
Estimated Future Amortization Expense by Fiscal Year [Abstract]
2014	10,918,000
2015	10,918,000
2016	10,894,000
2017	10,575,000
2018	9,068,000
After 2018	$ 9,450,000