Goodwill and Other Intangible Assets Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Disclosure Goodwill And Other Intangible Assets Additional Information [Abstract]
Goodwill	$ 126,348		$ 126,697
Total other intangible assets, net	100,113		103,011
Amortization expense of intangible assets	2,745	1,078
Estimated Future Amortization Expense by Fiscal Year [Abstract]
Remainder of 2014	8,200
2015	10,900
2016	10,900
2017	10,500
2018	9,000
2019	7,600
After 2019	$ 1,800